Evaluate the following expression for x=-2 and z = -7 2x^3-z=

asked Mar 13, 2024 15.5k views

2 votes

Evaluate the following expression for x=-2 and z = -7
2x^3-z=

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2 votes

Answer:

- 9

Explanation:

given

2x³ - z ← substitute x = - 2, z = - 7 into the expression

= 2(- 2)³ - (- 7)

= 2(- 8) + 7

= - 16 + 7

= - 9

Marbel answered Mar 20, 2024

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