Math, asked by anushka9167, 1 year ago

by factorize method​

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Answered by Anonymous
4

Given :-

 (2x -1 ) ( x -3) = (x + 5) (x -1)

To solve :-

By Factorization method.

Solution:-

First multiple the terms in L. H. S Or R. H. S side.

 2x (x-3) -1 (x-3) = x (x-1) +5(x-1)

 2x^2 -6x -x +3 = x^2 -x +5x -5

Now solve variables and constant separately.

 2x^2-x^2-6x-5x+3+5=0

 x^2 -11x+8

Now applying Shridicharya charya rule,

a = 1 , b = -11 c = 8

 D = b^2 - 4.a.c

 D = (-11) ^2-4.1.8

D = 121 -32

 D = 89

Let calculate it's roots :-

x= \dfrac{-b\pm\sqrt{D}}{2a}

 x = \dfrac {11\pm\sqrt{89}}{2}

x = \dfrac {11\pm\sqrt{89}}{2}

hence, the two values of equation are :-

x = \dfrac {11+\sqrt{89}}{2}

and,

x = \dfrac {11-\sqrt{89}}{2}

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