Question

Find the value of the polynomial
5a-4a²+3 at x = 2 & x=-1
​

Answer 1

Answer:

5a-4a²+3.

a=2.

5(2)-4(2)²+3.

10-4(4)+3.

10-8+3.

2+3.

5.

a=-1.

5(-1)-4(-1)²+3.

-5-4(1)+3.

-5-4+4.

-9+4. (Because -×-=+ & largest number is important).

-5. (Because -×+=- & largest number is important).

I think this is your answer.