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An inequality refers to the comparison of two expressions and represents that one is greater than, less than, greater than or equal to, or less than or equal to the other. Though there is a basic difference when multiply or divide both sides by a negative number—check and reverse the inequality sign. Solving inequalities is like solving equations. : Solve 2x − 5 < 9. 1.Add 5 to both sides ...

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An equation says two things are equal. It will have an equals sign = like this: That equations says: what is on the left (x 2) equals what is on...

Detailed step by step solution for simplify 2x× x

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In mathematics, 2x represents a mathematical expression where 2 is multiplied by the variable x. This means you take the value of x, whatever it may be, and multiply it by 2. The result will depend on the specific value of x. This type of expression is commonly found in algebraic equations and can be used to represent various relationships and calculations.

For example the command 2x @ 3 evaluates the expression 2x for x=3, which is equal to 2*3 or 6. Algebra Calculator can also evaluate expressions that contain variables x and y. To evaluate an expression containing x and y, enter the expression you want to evaluate, followed by the @ sign and an ordered pair containing your x-value and y-value.

The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

Best Answer '2x' is already two things multiplied together: 2*x. Be sure to learn the parts of a polynomial. The number out front is called the coefficient, it's just a constant that is multiplied by the rest of everything else. The next is the letter, or variable, and has meaning when used in a function, but otherwise is not much more than to keep polynomials seperate. The last is the ...

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In mathematics, a quadratic equation (from Latin quadratus 'square') is an equation that can be rearranged in standard form as displaystyleax²+bx+c=0,, where the variable x represents an unknown number, and a, b, and c represent known numbers, where a ≠ 0. (If a = 0 and b ≠ 0 then the equation is linear, not quadratic.) The numbers a, b, and c are the coefficients of the equation and may ...

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Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.

Answer: See below. Step-by-step explanation: −2x + x = −x because we combine like terms. You will essentially ignore the x and just do -2 + 1, which is -1. So, the answer would be -1x which is simply just -x. To see why we can combine like terms, use the distributive property. So we have: −2x + x This is the same thing as saying: = (−2 ...

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