Evaluate the expressions for x=4
a) (-2x)^2 B) -2x^2
Thank You
a = -64
b = -32
Blondie....your second answer is good....the first isn't quite correct....we have....
(-2x)^2 and when x = 4, we have
(-2 * 4)^2 = (-8)^2 = (-8) * (-8) = 64
