if p(x)=x³+4x²-5x+7 find p(-2)
Answers
Answered by
0
P(-2)= (-2)³+4×(-2)²-5×-2+7
= -8+4×4+10+7
= -8+16+10+7
= -8+33
= 25
Answered by
0
Step-by-step explanation:
p(x) = x³+4x²-5x+7
give the value -2 in x
p(-2) = x³+ 4x²- 5x + 7
= (-2)³ + 4 (-2)² - 5(-2) + 7
= -8 + 16 +10 + 7
= 8 + 17
= 25
Similar questions