Question

Evaluate and simplify the expression
when a = 2 and b = 4.
4a - 2(a + b) + 1 = [?]

Answer 1

Explanation:

(4)2 - 2(2 +4) + 1

Next use the distributive property

8 - 4 + 8 + 1 Then after this do PEMDAS and group 2 sections

(8-4) + 8 +1

4 +8 +1

(4 + 8) +1

12 +1 =13