(x2 + 5x - 50)/(x + 10)
= (x^2 + 10x - 5x - 50)/(x + 10)
= {x(x + 10) - 5(x + 10)/(x + 10)
= (x + 10)(x - 5)/(x + 10)
= x - 5 Ans.
x^2 + 5x - 50 factors.
(x+10)(x - 5) / (x + 10)
x + 10 cancels
x - 5.
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(x2 + 5x - 50)/(x + 10)
= (x^2 + 10x - 5x - 50)/(x + 10)
= {x(x + 10) - 5(x + 10)/(x + 10)
= (x + 10)(x - 5)/(x + 10)
= x - 5 Ans.
x^2 + 5x - 50 factors.
(x+10)(x - 5) / (x + 10)
x + 10 cancels
x - 5.