Question

E = (2a + 3b + 2) + (3a + 5b - 1) + (2a - 2b)

Answer 1

7a+6b+1

Explanation:

2a+3b+2+3a+5b-1+2a-2b=7a+6b+1

• Combine like terms
• Use this fact:

(+)×(+)=+ (-)×(-)=+

(+)×(-)=- (-)×(+)=-

Answer 2

7a+6b+1

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