Solve By Factoring
Solve by Square Root
100

x2+6x-27=0

x=3, x=-9

100

x2-16=0

x=-4,x=4

200

x2-x-20

What is x=-4,x=5

200

x2-55=26

What is x=-9,x=9

300

-7x+x2-30

What is x=-3, x=10

300

2x2-98=0

What is x=7,x=-7

400

3x2+5x-2

What is x=-2, x=1/3

400

(2x-1)2=81

What is x=5,x=-4

500

-3x2+11x-6

What is x=3, x=2/3

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