Factories these 2 10points

10x^2+5xy

This next one needs solving as well
2x^2+7x-15=0

10x^2 + 5xy
= 5x( 2x + y) answer
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2x^2 + 7x - 15 =0
2x^2 + 10 x - 3x - 15 =0
2x( x + 5 ) - 3 ( x + 5) =0
or ( x+5) ( 2x - 3 ) =0
so x+ 5 =0 & 2x - 3 =0
so x= - 5 & x= 3/2 ANSWER