Math
100

What is 18+20+60+67

165

200

If:

x=9, y=7

What is:
xy+y+x

79

300

What is the gcf of :

5x2+125x+500

5

400

Solve:

(19)2+20

381

500

Solve for all x values:

X2+6x=9

x= -3±3√2

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