Question

Simplify and then evaluate the equation
when a= 2 and b = 4.
b2 + 3(b – 62) – 2a= [?]

Answer 1

-170

Explanation:

First, you would substitute 2 and 4 for a and b. 4 times 2 + 3(4 - 62) - 2 times 2 = ?

Then, do 4 times 2 (8), 3(4-62)=3(-58)

8 + -174 - 4 = -170