Question

find the value of polynomial p(x)=3x³+4x²-8x-5 for x= -1 bhai yar pls help kardo. or yar book me likh kar dena bneha ki tarah​

Answer 1

Step-by-step explanation:

p(x)=3x^3+4x^2-8x-5

p(-1)=3(-1)^3+4(-2)^2-8(-1)-5=0

= 3×(-1)+4×1+8-5=0

= -3+4+8-5

= 12-8

= 4

Answer 2

Given:-

• p(x) = 3x³+43x²-8x-5
• x = -1

To find:-

value of this p(x)

Solution:-

→ put the given value in the p(x) to get the answer.

→ (-1)³+4(-1)²-8(-1)-5

→ -1+4+8-5

→ 6

hence. the value of given p(x) is 6