5 (x² − 2) + 2x − 3x (x − 7)? I just need help with the working it out step.

XTMNTxRaphaelx asked Sep 12, 2023

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7 votes

5 (x² − 2) + 2x − 3x (x − 7)?

I just need help with the working it out step.

XTMNTxRaphaelx asked Sep 12, 2023

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13 votes

Answer:

2x^2+23x-10

Explanation:

1) distribute the parenthesis by multiplying 5 into (x^2 - 2) and -3x into (x - 7)

$5x^2-10 +2x-3x^2+21x\\$

2) simplify by adding and subtracting like terms

2x^2+23x-10

Taylor Austin answered Sep 16, 2023

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