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How do you factor completely #ax – ay + x^2 – xy#?

1 Answer

Apr 29, 2016

#" "(x-y)(a+x)#

Explanation:

These are not always easy to spot!

Group as:#" "(ax-ay)+(x^2-xy)#

Factoring out common values from each bracket

#" "a(x-y)+x(x-y)#

Again factor out but this time factor out #(x-y)#

#" "(x-y)(a+x)#

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