Multiply(6х2-5x +3) by (3х2 +7х-3)
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Answer:
18x^4+33x^3+26x^2+6x-9
Step-by-step explanation:
6x^2(3x^2+7x-3)-5x(3x^2+7x-3)+3(3x^2+7x-3)
=18x^4+48x^3-18x^2-15x^3+35x^2-15x+9x^2+21x-9
=18x^4+48x^3-15x^3-18x^2+35x^2+9x^2-15x+21x-9
=18x^4+33x^3+26x^2+6x-9
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