Mathematics, 21.06.2019 21:00, ayoismeisalex
Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 β 5x β 6)show your
Answers: 2
![\bf (x-4)(x^2-5x-6) \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} (x)(x^2-5x-6)\implies &x^3-5x^2-6x\\\\ (-4)(x^2-5x-6)\implies &-4x^2+20x+24 \end{cases} \\\\\\ x^3-5x^2-6x-4x^2+20x+24\implies x^3-5x^2-4x^2-6x+20x+24 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{adding like-terms}}{x^3-9x^2+14x+24}~\hfill](/tpl/images/0001/6159/f8d43.png)
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Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is...
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