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Factorize `x^2+5x-24`. |
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Answer» The given expression is `x^2+5x-24`. We try to spilt 5 into two parts whose sum is 5 and product -24. Clearly , ` 8+(-3)=5 and 8 xx (-3)=-24`. `therefore x^2+5x-24=x^2+8x-3x-24` `=x(x+8)-3(x+8)` `=(x+8)(x-3)` Hence, `x^2 5x-24=(x+8)(x-3)`. |
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