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Factorise : x2+10x -75 . |
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Answer» How to solve your problem2+10−75x^{2}+10x-75x2+10x−75Grouping1Use the sum-product pattern2+10−75x^{2}+{\COLOR{#c92786}{10x}}-75x2+10x−752+15−5−75x^{2}+{\color{#c92786}{15x}}{\color{#c92786}{-5x}}-75x2+15x−5x−752Common FACTOR from the two pairs2+15−5−75x^{2}+15x-5x-75x2+15x−5x−75(+15)−5(+15)X(x+15)-5(x+15)x(x+15)−5(x+15)3Rewrite in factored form(+15)−5(+15)x(x+15)-5(x+15)x(x+15)−5(x+15)(−5)(+15)(x-5)(x+15)(x−5)(x+15)Solution(−5)(+15) |
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