1*x^(2)+7x+12

A= {x//x^(2) -7x +12 =0}, B= {x//x^(2) -x-12=0}, then AnnB=

A= {x//x^(2) -7x +12 =0}, B= {x//x^(2) -x-12=0}, then AnnB=

Factorise : 12x^(2) - 7x + 1

Solve the following inequalities. (a) |2x-3| lt 1, (b) (x-2)^(2) ge 4 , (c) x^(2) ge 4 , (c) x^(2)+2x-8 le 0 , (d) |x^(2) -7x+12| gt x^(2)-7x+12 .

I. 10x^(2) - 7x + 1= 0" " II. 35y^(2) - 12y + 1 = 0

Factorise: x^(2) -7x+12

A common factor of x^(4) -256, x^(3)-4x^(2)+3x-12 and x^(2) -7x+12 is

12x^(2)-7x+1

Factorise 12x^(2)-7x+1