factorise (x+2)(x^+25)-10x^-20x
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(x+2)(x^2+25) - 10x(x+2)
(x+2)(x^2+25-10x)
(x+2)(x-5)(x-5)
(x+2)(x^2+25-10x)
(x+2)(x-5)(x-5)
Answered by
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your questions=(x+2)(x^+25)-10x^2-20x
=(x+2)(x^2+25)-10x(x+2)
=(x+2)(x^2+25-10x)
=(x+2)( x^2+25-10x)

=(x+2)(x-5)(x-5)
=(x+2)(x^2+25)-10x(x+2)
=(x+2)(x^2+25-10x)
=(x+2)( x^2+25-10x)
=(x+2)(x-5)(x-5)
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