1. 16x^2 + 2 + 2x - 15x^2 - 1 + 14x

a. 31x^2 + 16x + 1
b. x^2 - 12x + 1
c. x^2 + 16x + 1*
d. x^2 + 16x + 2

2. 3x^2 + 6 - 2x + 5x - 4^2 + 9
a. -x^2 + 3x + 15*
b. 7x^2 + 3x + 3
c. x^2 - 3x + 15
d. -x^2 + 7x + 15

3. 2x^2 + 6x - 7x + 8 -3x^2 + 1
a. 2x^2 + x + 9
b. -2x^2 - x - 9
c. -x^2 - x + 9*
d. x^2 + 9

1 answer

Your answers are correct.