Step-by-step explanation:
it is negative 20 I'm pre sure
You answered correctly for part a. just simplify it. so for part a it would be x^4 + 8x^3 + 24x^2 + 32x + 16. repeat what you did in part a with part b (add & simplify). btw, the missing side in part c is 2x-x = x
Answer:
a = -27.98
Step-by-step explanation:
Answer:
See explanation
Step-by-step explanation:
We want to find the value of k in

We subtract 3 from both sides;

Simplify on the right;

Square both sides;


If your equation in actually

Square both sides:


