8x^2 - 9 when x = -4 - QAmmunity.org

RANJIT PATRA asked Aug 6, 2023

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25 votes

8x^2 - 9 when x = -4

RANJIT PATRA asked Aug 6, 2023

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12 votes

Answer:

119

Explanation:

substitute x = - 4 into the expression

8x² - 9

= 8(- 4)² - 9

= 8(16) - 9

= 128 - 9

= 119

MorayM answered Aug 12, 2023

3.0k points

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