factorise x³+x²-4x+4
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x³+x²-4x+4
=x²(x+1)-4(x+1)
=(x²-4x)(x+1)
=x²(x+1)-4(x+1)
=(x²-4x)(x+1)
radhika0109:
If we will take -4 common then it should be(x-1)
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