Tobymorgan0 Tobymorgan0

18-05-2018
Mathematics

contestada

Evaluate at the given value
4x^2+6x-5 when x=-3

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Аноним Аноним

18-05-2018

That is 4(-3)^2 + 6(-3) - 5 = 36 - 18 - 5 = 13 Answer

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chrysanthemum chrysanthemum

18-05-2018

To evaluate 4x² + 6x - 5 when x = -3, plug -3 for x into the expression.

Evaluate when x = -3.
4x² + 6x - 5

Plug -3 for x.
4(-3)² + 6(-3) - 5

Square -3.
4(9) - 18 - 5

Multiply 4 and 9.
36 - 18 - 5

Subtract from left to right.
18 - 5
13

Answer:
13

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