(x+2)(x+3)+(x-3)-2x(x+1)
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(x+2)(x+3)+(x-3)-2x(x+1)
=x^2+3x+2x+6+(x-3)-2x^2-2x
=x^2+5x+6+x-3-2x^2-2x
=x^2-2x^2+5x+x-2x+6-3
=-x^2-4x+3
=x^2+4x-3
=x^2+3x+2x+6+(x-3)-2x^2-2x
=x^2+5x+6+x-3-2x^2-2x
=x^2-2x^2+5x+x-2x+6-3
=-x^2-4x+3
=x^2+4x-3
keishna:
how that possible...?? the answer is wrong...
why
the answer is wrong
oh answer is x^2-4x-3
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