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Exercise

$\left(x^2-2x-5\right)-\left(x^2-2x+5\right)$

Step-by-step Solution

1

Simplify the product $-(x^2-2x+5)$

$x^2-2x-5-x^2-\left(-2x+5\right)$
2

Simplify the product $-(-2x+5)$

$x^2-2x-5-x^2+2x-5$
3

Subtract the values $-5$ and $-5$

$x^2-2x-10-x^2+2x$
4

Cancel like terms $x^2$ and $-x^2$

$-2x-10+2x$
5

Cancel like terms $-2x$ and $2x$

$-10$

Final answer to the exercise

$-10$

Try other ways to solve this exercise

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Main Topic: Equivalent Expressions

Two algebraic expressions are equivalent if they stay equal to each other, for any values their variables can take.

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