Question

What is (2x) exponent of 2 + 3x exponent of 2 - y

Answer 1

(2x)^2 + 3x^2 - y = (2(3))^2 + 3(3)^2 - 12 = (6)^2 + 3(9) - 12 = 36 + 27 - 12 = 51.