find the roots of qudratic equation x square - 3 x minus 10 by prime factorization method
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Given quadratic equation : - 3x - 10 = 0
- 3x - 10 = 0
+ 2x - 5x - 10 = 0
x ( x + 2 ) - 5 ( x + 2 ) = 0
(x+2)(x-5)=0
x+2=0 x-5=0
x=-2 x=5
The roots of the given quadratic equation are 5 , -2.
Hope it helps!!
Answered by
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Answer:
x^2-3x-10
=x^2-5x+2x-10
=x(x-5)+2(x-5)
=(x+2) (x-5)
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