Question

Help me with this problem

Answer 1

-16x² + 72x + 88 = 0

-8(2x² - 9x + 11) =0

Now divide the right & left side by (- 8)

2x² 9x + 11 =0

Is this what they are asking? Any question about the roots or zero value?

Answer 2

x = \frac{11}{2} ,-1