Question

The expression when y=-6 y^2+8y-9

Answer 1

Answer:y=\frac{7}{12}-i\frac{\sqrt{167}}{12},\:y=\frac{7}{12}+i\frac{\sqrt{167}}{12}

Step-by-step explanation:y=\frac{7}{12}-i\frac{\sqrt{167}}{12},\:y=\frac{7}{12}+i\frac{\sqrt{167}}{12}

Answer 2

-21

Explanation:

y^2 + 8y - 9 y = -6

(-6)² + 8(-6) - 9

36 - 48 - 9

-21

So, the answer is -21