Question

7x²+6x-1 factrorise​

Answer 1

Step-by-step explanation:

$7 {x }^{2} - 6x - 1 \\ = 7 {x}^{2} - 7x + 1x - 1 \\ = 7x(x - 1) + 1(x - 1) \\ = (7x + 1)(x - 1)$

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Answer 2

Answer:

x=1/7,x=-1

Step-by-step explanation:

$7x^{2} +6x-1\\7x^{2} +7x-x-1=0\\7x(x+1)-1(x+1)\\x=1/7,x=-1$