[" (ii) "8x^(2)-72xy+12x],[" (ii) "-5-10t+20+2]

Factorize: 8x^(2)-72xy+12x

Factorise: 8x ^(2) -72xy + 12x

Factorise the following . ( I ) 2a^(2) +9a+10 (ii) 5x^(2) -29xy -42y^(2) (iii) 9-18x+8x^(2) (iv) 6x^(2) +16xy +8y^(2) (v) 12x^(2) +36x^(2) y +27y^(2) x^(2) (vi) (a+b) ^(2)+9( a+b) +18

Divide: (i) 8x^(2) y^(2) by - 2xy (ii) -15 x^(3) yz^(3) by -5xyz^(2)

Find the nature of the roots of the following quadratic equations: (i) 2x^(2)-8x+5=0" "(ii)" "3x^(2)-2sqrt(6)x+2=0 (iii) 5x^(2)-4x+1=0" "(iv)" "5x(x-2)+6=0 (v) 12x^(2)-4sqrt(15)x+5=0" "(vi)" "x^(2)-x+2=0

Divide: (i) 6x^(5) + 18 x^(4) - 3x^(2) by 3x^(2) (ii) 20 x^(3) y + 12 x^(2) y^(2) - 10 xy by 2xy

Factorize following expressions (i) x^(2)+3x-40" (ii)"x^2-3x-40" (iii)"x^(2)+5x-14 (iv) x^2-3x-4" (v)"x^2-3x-40" (vi)"3x^2-10x+8 (vii) 12x^2-x-35" (viii)"3x^2-5x-2" (ix)"3x^2-7x+4 (x) 7x^2-8x+1" (xi)"2x^2-17x+26" (xii)"3a^2-7a-6 (xiii) 14a^2+a-3

Divide: (i) 5m^(2) - 30 m^(2) + 45m by 5m (ii) 8x^(2) y^(2) - 6xy + 10 x^(2) y^(3) by 2xy (iii) 9x^(2) y - 6xy + 12 xy^(2) by - 3xy (iv) 12x^(4) + 8x^(3) - 6x^(2) by -2x^(2)

If x=5 and y=-2 , then find the value of (i) (8x-2y+5)/(2x+4ty+12) " "(ii) (5x-6y-7)/(3x+6y+12)

Find the coordinates of the focus and the vertex, the equations of the directrix and the axis, and length of the latus rectum of the parabola: (i) y^(2)=12x (ii) y^(2)=10x (iii) 3y^(2)=8x