Math, asked by shreya32196, 4 months ago

Find the value of the expression 2x³-5x²+x+7 for x=(-2)

Answers

Answered by snehasishto1996

1

Answer:

- 31

Step-by-step explanation:

f(x) = 2x^3 -5x^2+x+7

f(-2) = 2*(-2)^3 -5*(-2)^2 - 2 +7

= 2*(-8) -5*4 -2 +7

= -16-20-2+7

= -31

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