Question

factorise 14 x square + 9 x - 1​

Answer 1

Answer:14x²+9x+1

=14x²+7x+2x+1

=7x(2x+1)+1(2x+1)

=(7x+1)(2x+1)

hope it helps u

Step-by-step explanation

Answer 2

Step-by-step explanation:

$14 {x}^{2} + 9x - 1 \\ = 14 {x}^{2} - 7x - 2x - 1 \\ = 7x(2x - 1) - 1(2x - 1) \\ = (7x - 1)(2x - 1) \\ 7x = 1 \\ x = \frac{1}{7} \\ 2x = 1 \\ x = \frac{1}{2}$