Question

Solve these quadratic equations using the quadratic formula.

2x^2 - 2x = 1

3x^2 + 5x + 1 = 0

2x^2 - 10x + 7 = 0

Answer 1

First put all of them into A^2+Bx+C=0 form

Answer 2

Quadratic formula: \[x=\frac{ -b \pm \sqrt{ b^2-4ac } }{ 2a }\]