Question

4x^2 – 9x – 8 with x = –3

Answer 1

... how hard can it be to enter numbers in a calculator?

Answer 2

I keep getting the wrong answer

Answer 3

4(-3)^2 -9(-3) -8

Answer 4

4(9) +27 -8

Answer 5

4*(-3)^2 - 9*(-3) - 8.

Since (-3)^2 = (-3)*(-3), then (-3)^2 = 9.
Also, (-9)*(-3) = 27.

(4*9) + 27 - 8

Answer 6

55?

Answer 7

ya its 55