All to one side:
4x^2-32x+64 = 0,
divide by 4:
x^2 -8x + 16 = 0
apply formula or see that it is (x-4)^2!, so only x =4 is a root and it is double.
Is there not more to this problem? maybe thats the final answers
The answer is d not enough information
Answer:
70*20=1400/2= 700. that's all