Factorise 2x2−7x+6
(x-2)(2x-1)
(x-1)(2x-3)
(x-2)(2x-3)
(2x-2)(2x-3)
2x2−7x+6=2x2−4x−3x+6
=2x(x−2)−3(x−2)
=(x−2)(2x−3)
Hence the factored form of 2x2−7x+6 is (x−2)(2x−3)
Factorise:
(i) 12x2 − 7x + 1 (ii) 2x2 + 7x + 3
(iii) 6x2 + 5x − 6 (iv) 3x2 − x − 4
2x2+7x+3