factorise x3-x2-17x-15
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factorise karna hai
x+1 x-5 x+3 is answer
i think the question was wrong .
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rewrite the question
x 3 - x2 -17 x -15
is x^2 or 2x
x 2
Answered by
24
x³ - x² - 17x - 15 = (x + 1)(x + 3)(x - 5)
Step-by-step explanation:
x³ - x² - 17x - 15
= (x + 1)(x² - 2x - 15)
= (x + 1)(x² - 5x + 3x - 15)
= (x + 1)(x(x - 5) + 3(x - 5))
=(x + 1)(x + 3)(x - 5)
x³ - x² - 17x - 15 = (x + 1)(x + 3)(x - 5)
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