" 8."7x^(2)+3x-4=0

Subtract : 5x - 3x^(2) + 8xy from 7x^(2) + 3xy - 4x .

If a is a root of x^(2) - 3x-5=0 find the value of a^(4) - 2a^(3) - 7a^(2) -8a

Find the roots of the quadratic equations by applying the quadratic formula.(i) 2x^(2)-7x+3=0 (ii) 2x^(2)+x-4=0 (iii) 4x^(2)+4sqrt(3)x+3=0( iv )2x^(2)+x+4=0

Solve: x^(4)-7x^(3)+8x^(2)+8x-8=0 given 3-sqrt(5) is a root.

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

The roots of 7x^(2) + 3x + 8 = 0 are…

Without solving, find the nature of the roots of the following equations: (i) 3x^(2)-7x+5=0 . (ii) 4x^(2)+4x+1=0 . (iii) 3x^(2)+7x+2=0 . (iv) x^(2)+px-q^(2)=0 .

If alpha and beta are the roots of the equation 2x^2-3x + 4=0 , then the equation whose roots are alpha^2 and beta^2, is a. 4x^(2)+7x+16=0 b. 4x^(2)+7x+6=0 c. 4x^(2)+7x+1=0 d. 4x^(2)-7x+16=0