1.

Solve any FOUR of the following sub-questions.Solve the quadratic equation by factorization method. x2 - 15x + 5 = 0[08​

Answer»

ANSWER:

The given quadratic equation X

2

+15x+50=0 can be factorised as FOLLOWS:

x

2

+15x+50=0

⇒x

2

+10x+5x+50=0

⇒x(x+10)+5(x+10)=0

⇒(x+5)=0,(x+10)=0

⇒x=−5,x=−10

Hence, x=−5 or.x=−10


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