Question

Factorise:

(i)12x²-7x+1

(ii)2x²+7x+3

(iii)6x²+5x-6

(iv)3x²-x-4​

Answer 1

1. 12x^2 -4x-3x+1

4x(3x-1)-1(3x-1)

(4x-1)(3x-1)

2. 2x^2+6x+x+3

2x(x+3)+1(x+3)

(2x+1)(x+3)

3.6x^2-9x+4x-6

3x(2x-3)+2(2x-3)

(3x+2)(2x-3)

4.3x^2-4x+3x-4

1x(3x-4)+1(3x-4)

(1x+1)(3x-4)

please mark it brainlist

Answer 2

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1) 12x²-4x-3x+1

= 4x(3x-1)-1(3x-1)

= (3x-1)(4x-1)

2) 2x²+7x+3=2x²+6x+x+3

= 2x(x+3)+1(x+3)

= (x+3)(2x+1)

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