Math, asked by shekharsardar233, 5 days ago

for 10th std question
 {x}^{2}  - 15x + 54  = 0. \\ solve \: the \:  following \: quadratic \: \\  equation \:  \:by \: fractorisation

Answers

Answered by XxitzKing02xX
4

{x}^{2} - 15x + 54 = 0.

⇒{x}^{2} −9x−6x+54=0

⇒x(x−9)−6(x−9)=0

⇒(x−6)(x−9)=0

⇒(x−6)=0 or (x−9)=0

⇒x=6 or x=9

So, 6 and 9 are the roots of the given quadratic equation.

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