Factor 7xsquered minus 9x minus 10?

Anonymous

∙ 15y ago

Updated: 8/18/2019

7x2-9x-10 7*-10=-70

7x2-14x+5x-10=-70

\........./.......\/

7xx 2*7x...5x 2*5

7x(x-2)+5(x-2)=-70

(x-2)(7x+5)=-70

I forget how to do the rest. But I graphed it and the solution set is {-0.5,2}

Wiki User

∙ 15y ago

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