Question

Which expression is equal to 72 +63 ?

a. 9(8+7)
b. 8(9+7
c. 7 (10+9)
d. 6 (12+10)​

Answer 1

a. 9(8+7)

Explanation:

If you distribute the 9 into the equation, You're basically multiplying the 9 by each term so it really becomes:

(9*8) + (9*7)

Which leaves you with:

72 + 63

Answer 2

Your answer is option a.