50-10x^(2)-9x-7

factorize the given expression 10x^2-9x-7

Resolve into partial fractions : (10x+30)/((x^(2)-9)(x+7)).

Complete solution set of inequality finequality ((pi^(x)-7^(x))log_(10)(x-4))/((x^(2)-9x+18)(x^(2)-x))<0 is

lim_(x rarr oo)(9x^(2)-2x-7)/(6x^(2)+5x+1

Simplify the following : 5x^(4) - 7x^(2) +8x - 1 +3x^(2) - 9x^(2) + 7 - 3x^(4)+11x - 2 +8x^(2)

Evaluate lim_(x rarr2)[(2x^(2)-9x+10)/(5x^(2)-5x-10)]

Evaluate: lim_(x rarr 2) [(2x^(2)-9x+10)/(5x^(2)-5x-10)] .

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

9x^(4)-10x^(2)+1