Thread: Solving Equations in Quadratic Form

Please help.

1.) (m-1)^2 - 4(m-1) - 21 = 0

2.) (6c + 14) / (2 + c) = (2 + c) / (6c + 14)

3.) 36x^4/3 - 25x^2/3 + 4 = 0

Thanks.

1) Tip: (a+b)^2 = a^2 + 2ab +b^2

(a-b)^2 =a^2 - 2ab +b^2

2) cross-multiply