Question

x2‐8x+7 pls help me ​

Answer 1

Given equation

$x^{2} -8x+7 = 0$

Solving, we get,

$x^{2} -8x+7=0\\\implies x^{2} -x-7x+7=0\\\implies x(x-1)-7(x-1)=0\\\implies (x-7)(x-1)$

$\boxed{\boxed{\bold{Therefore, \ the \ factorised \ expression \ is \ (x-7)(x-1)}}}}$

                                                       

Answer 2

Answer:

= X²-8x+7

= X² -7x-1x+7

= x(x-7)- 1(x -7)

= (x-1)(x-7)

:. X=1 and 7...

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