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-0.14cm(x^3 + x^2 + 5) (x^4 + 2x + 1) =& x^3(x^4 + 2x + 1) & +x^2(x^4 + 2x + 1) & + 5 (x^4 + 2x + 1) [1.2em] -0.14cm(x^3 + x^2 + 5) (x^4 + 2x + 1) =& x^7 + 2x^4 + x^3 & + x^6 + 2x^3 + x^2 & +5x^4 + 10x + 5
Usually, it is possible to simplify the result by combining like terms.
-0.14cm(x^3 + x^2 + 5) (x^4 + 2x + 1) =& x^7 + 2x^4 + x^3 & + x^6 + 2x^3 + x^2 & + 5x^4 + 10x + 5 [1.2em] -0.14cm(x^3 + x^2 + 5) (x^4 + 2x + 1) =& x^7 + 7x^4 + 3x^3 & + x^6 + x^2 + 10x & + 5