Question

Which expression is equivalent to 64 – 9x^2?

A(32)^2 – (3x)^2
B(32)^2 + (-3x)2
C(8)^2 – (3x)^2
D(8)^2 + (-3x)^2

Answer 1

Option C is correct

Explanation:

A = 64 - 9x^2

= 8^2 - (3^2)(x^2)

= 8^2 - (3x)^2

Hope this helps!