`4x^2-4a^2x+(a^4-b^4)=0` solve this equation by quadratic formula `{D=b^2-4ac}` & `{x=[-b(+-)sqrtD]/(2a)}`

Solve the following quadratic equation: x^(2)+4ix-4=0

Solve the following quadratic equation for x.x^(2)-4ax-b^(2)+4a^(2)=0

Solve the following equation by using factorisation method 4x^2-4ax+(a^2-b^2)=0

Solve the equation for x : 4x^2 - 4ax + (a^2 -b^2) = 0.

Solve the following quadratic equations by formula method, x^2 - 4x +1 =0

Solve the following quadratic equations usind formula : 9x+1=4x^(2)

Solve the following quadratic: x^(2)-4x+7=0

Solve the equation x^(2)+4x*cos(xy)+4=0

Solve the equation 4^(x)- 5 xx2^(x) + 4 = 0.

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