[" 1) "],[" 1) "3x^(2)+7x+2],[" i) "6x^(2)+17x+12]

factorise 6x^(2)-17x+12

I. 3x^(2) + 7x = 6 " " II. 6(2y^(2)+1) = 17 y

Factories 6x^(2) + 17x + 12

Find the roots of the following quadratic equations i) 6sqrt5 x^(2) – 9x -3sqrt5 = 0 ii) x^(2) - x - 12 = 0 iii) 2x^(2) - 6x + 7 = 0 iv) 4x^(2) - 4x+17 = 3x^(2) -10x-17 v) x^(2) + 6x + 34 = 0 vi) 3x^(2) + 2x - 5 = 0

Factorise (i) x^(2)+9x+18 " " (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 " " (iv) 84-2r-2r^(2)

Divide (10 x^(4) + 17 x^(3) - 62 x^(2) + 30 x - 3) by (2x^(2) + 7x - 1)

factorise i) 12x^(2)-7x+1 ii) 6x^(2)+5x-6