[3x+4] [2x-3] + [5x-4] [x+2]
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Step-by-step explanation:
{3x+4} {2x-3}+ {5x-4} {x+2}
=6x^2-9x+8x-12+5x^2+10x-4x-8
=11x^2-13x+18x-20
=11x^2+5x-20
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