SOLUTION: Write: xk�xy�{{{x^2}}}+yk as a product

SOLUTION: Write: xk�xy�{{{x^2}}}+yk as a product

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Question 1066448: Write: xk�xy�+yk as a product
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
xk�xy�x^2+yk
xk+yk-xy-x^2, grouping
k(x+y)-x(y+x)
(k-x)(y+x)
expand should give the four factors above
ky+kx-xy-x^2 checks.
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