factorise by splitting the middle terms :4x^2-16x+7
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4x^2-16x+7=0
4x^2-2x-14x+7=0
2x(2x-1)-7(2x-1)=0
(2x-7)(2x-1)=0
2x-7=0 or 2x-1=0
2x=7 or 2x=1
x=7/2 or x=1/2
Answered by
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Answer:
4x^2-16x+7
4x^2- 14x-2x+7
2x (2x-7) -1 (2x+7)
(2x-7) (2x-1)
hope it helps you!!
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