Solving Quadratics

Completing the Square

100

x²+3x-28=0

x= -7, 4

200

-2x²-9x+35=0

x= -7, 5/2

300

2x²+3x+1=0

x= -1, -1/2

400

3x²+1x=2

x= -1, 2/3

500

3x²+5x-8=0

x= -8/3, 1

Quadratic Formula

100

-x²-6x+8=0

x= 2, 4

200

3x²-75=0

x= -5, 5

300

9x²-64=0

x= -8/3, 8/3

400

6x²-17x+12=0

x= 4/3, 3/2

500

8x²+2x-15=0

x= -3/2, 5/4

Factoring

100

x²-49=0

x= -7, 7

200

-x²-2x+3=0

x= -3, 1

300

x²-2x-15=0

x= -3, 5

400

6x²-19x=-8

x= 1/2, 8/3

500

2x²=4x-2

x=1