When (2x - 4)^2 is expanded and subtracted from 9, the result in simplified polynomial form is:
9 - (4x^2 - 16x + 16)
= 9 - 4x^2 + 16x - 16
= -4x^2 + 16x - 7
Written as a simplified polynomial in standard form, what is the result when (2x−4)^2 is subtracted from 9?
1 answer