Question

Select the exspreshion that is equivalent to 45x+10

A 1(9x+2)
B 5(5x+2+4x)
C 5(10+4x+5x)
D 3(3x+2)

Answer 1

45x + 10

A) 1(9x + 2)
= 9x + 2

B) 5(5x + 2 + 4x)
= 25x + 10 + 20x
= 45x + 10

C) 5(10 + 4x + 5x)
= 50 + 20x + 25x
= 45x + 50

D) 3(3x + 2)
= 9x + 6

So, in conclusion, the answer to this question is B.

Answer 2

B

Explanation: