Question

Solve :- xx-2x + 15 = 0
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Answer 1

Answer:

Given, x

2

−2x−15=0

⟹x

2

−5x+3x−15=0

⟹x(x−5)+3(x−5)=0

⟹(x−5)(x+3)=0

⟹x=5,−3

Step-by-step explanation:

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Answer 2

Answer:

x²-2x+15=0

Step-by-step explanation:

:. x² - 5x + 3x + 15 = 0

:. x ( x - 5 ) - 3 ( x - 5 ) = 0

:. (x - 3) (x - 5) = 0

:. x - 3 = 0 or x - 5 = 0

:. x = 0 - 3 or x = 0 - 5

:. x = -3 or x = -5

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