Question

find the value of the polynomial of 5x-4xsq+3 at x=-2​

Answer 1

Answer:

p(-2) = -23

Step-by-step explanation:

x = -2

p(x) = 5x - 4x² + 3

p(-2) = (5 × -2) - (4 × -2²) + 3

p(-2) = -10 - (4 × 4) + 3

p(-2) = -10 - 16 + 3

p(-2) = -23

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