Answers

2015-12-16T14:16:50+05:30
Y^2+7y+10 = y^2+5y+2y+10 = y(y+5)+2(y+5) = (y+5)(y+2) (y+5)(y+2)/(y+5) =y+2
0
2015-12-16T19:47:07+05:30
(y²+7y+10)÷(y+5)
(y²+5y+2y+10)÷(y+5)
y(y+5)+2(y+5)÷(y+5)
(y+2)(y+5)/(y+5)
y+2
therefore it is factorised
0
if you like my answer mark as brainliest