Factorise 4x² - 12x -7
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4x^2 - 14x +2x -7
2x( 2x -7) + 1( 2x -7)
( 2x +1)( 2x -7)
2x( 2x -7) + 1( 2x -7)
( 2x +1)( 2x -7)
siddhanta0101:
Thanks
Answered by
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Hey friend , hope this helps you.,!!
Given equation = 4x^2-12x-7
By splitting the middle term
4x^2-14x+2x-7=0
2x(2x-7) +1 (2x-7) =0
(2x-7) (2x+1) =0
2x=7 2x=-1
x=7/2 x=-1/2 :)
Given equation = 4x^2-12x-7
By splitting the middle term
4x^2-14x+2x-7=0
2x(2x-7) +1 (2x-7) =0
(2x-7) (2x+1) =0
2x=7 2x=-1
x=7/2 x=-1/2 :)
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