factorise: 7x²-5x-2
Answers
Answered by
0
Step-by-step explanation:
7x²-5x-2=0
7x²-7x+2x-2=0
7x(x-1)+2(x-1)=0
(7x+2)(x-1)
So x=-2/7 or x=1
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Answered by
1
Step-by-step explanation:
7x2 - 5x - 2
7x2 - 7x + 2x - 2
7x ( x - 1 ) + 2 ( x - 1 )
( 7x + 2 ) ( X- 1 )
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