Question

(10 + 13)(2 + 7y)
Which expression is equivalent to the expression above?

A. 20+70y
B. 23+9y
C. 26+91y
D. 46+161y

Answer 1

distribute.

$(10+13)(2+7y)\\\\20+70y+26+91y\\\\46+161y$

the answer is 46 + 161y.

Answer 2

Answer:

D. 46 + 161y

Step-by-step explanation:

Smiley face method/FOIL

(10 + 13)(2 + 7y)

= (10*2) + (10*7y) + (13*2) + (13*7y)

= 20 + 70y + 26 + 91y

Add like terms:

46 + 161y