Question

(×-2)(×+2)+3 factorise the following
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Answer 1

Answer:

9 {x}^{2} - 12x + 39x

2

−12x+3

9 {x}^{2} - (9 + 3)x + 39x

2

−(9+3)x+3

9 {x}^{2} - 9x - 3x + 39x

2

−9x−3x+3

9x(x - 1) - 3(x - 3)9x(x−1)−3(x−3)

(9x - 3)(x - 1)(9x−3)(x−1)

Answer 2

Answer:

x= 1,-1

Step-by-step explanation:

if you mean it is a quadratic equation

this is the correct answer