3(x-7x)-y
3(-6x)-y
-18x-y
Answer:
a = x and b = 4
Step-by-step explanation:
x^3 - 64 = (x - 4)(x^2 + 4x + 16)
so
a = x and b = 4
X=5, because you would set the equations equal to each other, and then solve by additive inverse. Then, you find the square root by isolating x, from which you get 5.