[" to(a) Jivinkoos Aity at sif sift "4],[" is "x^(2)-2x-8],[" (ii) "6x^(2)-3-7x]

Factorize : (i)x^(6)-7x^(3)-8(ii)x^(3)+3x^(2)+3x-7

Which of the following are quadratic equations? x^(2)-6x+4=0( ii) 2x^(2)-7x=0

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

For what values of x in R , the following expressions are negative i) -6x^(2)+2x -3 ii) 15+4x-3x^(2) iii) 2x^(2)+5x -3 iv) x^(2)-7x+10

Add : 3x^(2)+5x-4, 2x+3-x^(2) and 8-3x+7x^(2) .

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