ericWanell ericWanell

18-06-2016
Mathematics

Answered

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Factor completely 10xy + 3y + 20ax + 6a.

(10x − 3)(y − 2a)

(10x − 3)(y + 2a)

(10x + 3)(y + 2a)

(10x + 3)(y − 2a)

Factor completely 5ab + 3ay + 5b + 3y.

(5b + 3y)(a + 1)

(5b − 3y)(a + 1)

(5b + 3y)(a − 1)

Prime

Verified Answer :

18-06-2016

Hello,

1) Answer C
10xy+3y+20ax+6a=y(10x+3)+2a(10x+3)
=(10x+3)(y+2a)

2) Answer A

5ab+3ay+5b+3y=a(5b+3y)+1(5b+3y)
=(5b+3y)(a+1)

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