Simplify the expression: x2 + x(x – 5) – x + 7 a. 2x2 – 6x + 7 b. x3 –5x + 7 c. 6x2 – x + 7 d. –5x2

asked Dec 12, 2019 75.2k views

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Simplify the expression: x2 + x(x – 5) – x + 7 a. 2x2 – 6x + 7 b. x3 –5x + 7 c. 6x2 – x + 7 d. –5x2 – x + 7

by Cjs

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6 votes

Answer:

Explanation:

To simplify, distribute and combine like terms (same variables):

$x^2+x(x-5)-x+7\\x^2+x^2-5x-x+7\\2x^2-6x+7$

Cilvic answered Dec 18, 2019

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