Question

How do i simplify this step by step
3(4t+5)^2-4

Answer 1

Answer: 48t²+71

Explanation:

3(4t+5)²-4 Problem:

3(16t²+25)-4 In order of PEMDAS, Solve the exponent.

4t(4t) = 16t² 5(5) = 25

48t²+75-4 Distributive property

48t²+71 Subtraction property of equality

(Simplified)

Answer 2

48t^2 + 120t + 71

Explanation:

3(16t^2 + 40t + 25) - 4

48t^2 + 120t + 75 - 4