Question

if p(x) =5x^3-7x^3+3x+3 find p​

Answer 1

Answer:

Given that p(x)=5x

3

−3x

2

+7x−9

(i) p(−1)=5(−1)

3

−3(−1)

2

+7(−1)−9=−5−3−7−9

∴p(−1)=−24

(ii) p(2)=5(2)

3

−3(2)

2

+7(2)−9=40−12+14−9

∴p(2)=3