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Svetradugi [14.3K]
4 years ago
10

Factor by grouping. x2 + 8x + xy + 8y

Mathematics
2 answers:
Marta_Voda [28]4 years ago
6 0
Don't you see that y is a stranger. So group it -y(x+8) 
<span>The balance just happens to be x(x+8) </span>
<span>So you have these two terms. Take the common factor out. </span>
<span>(x+8) (x-y) now that's the answer. Easy ... </span>
Vera_Pavlovna [14]4 years ago
5 0
= x(x + 8) - y(x + 8)
= (x - y)(x + 8)
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