factories. (x+5)^2 -4(x+5)
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x^2+10x+25-4x-20
=x^2+6x+5
=x^2+5x+1x+5
=x(x+5) +1(x+5)
=(x+5) (x+1)
=x=-5 or x=-1
it may help you
=x^2+6x+5
=x^2+5x+1x+5
=x(x+5) +1(x+5)
=(x+5) (x+1)
=x=-5 or x=-1
it may help you
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