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Find the product (x - 3)(2x^2 + 5x - 7)

 Mar 3, 2021
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we expand: x$\cdot$2x^2+x$\cdot$5x+x$\cdot$(-7)+(-3)$\cdot$2x^2+(-3)$\cdot$5x+(-3)$\cdot$(-7)=2x^3+5x^2-7x-6x^2-15x+21=$\boxed{2x^3-x^2-22x-21}$

 Mar 3, 2021

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