Question

factorise:7-12x-4x^2​

Answer 1

Answer:

As per given

$= > 7 - 12x - 4 {x}^{2} \\ = > - 4x {}^{2} - 12x + 7 \\ = > - 4 {x}^{2} - 14x + 2x + 7 \\ = > - 2x(2x + 7) + 1(2x + 7) \\ = > ( - 2x + 1)(2x + 7)$

so

$= > x = \frac{1}{2} \: \: and \: \: \: \: - \frac{7}{2}$

Click On The Mark As Brainlist....

Answer 2

Answer:

Answer:

Hey mate here's the solution to your question:-

Step-by-step explanation:

= 7 - 12x - 4x²

= 7 - 14x + 2x - 4x²

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

=(1 - 2x)(7 + 2x) <— {Answer}

Hope it's helpful.

Step-by-step explanation:

Mark my solution as the brainliest if you are satisfied with it.