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Solving quadratic equations

100

4x² =81

x=4.5

200

5-6y²=113

y=4.24

300

2x²-2=6

x=2

400

x²-64=0

x=8

500

13p²-3=4209

p=18

Simplify

100

(5+2i)+(3-2i)

8

200

(-2+4i)-(3+9i)

-5-5i

300

i(2+i)

-1+2i

400

(2+3i) (1-4i)

14-5i

500

(-3+7i) (1-2i)

11+13i

3x^3-x^2-8x-4

100

Find the domain

(-infinity, infinity)

200

Find the range

(-infinity, infinity)

300

Find the relative max.

0.236

400

Find the relative min.

-10.031

500

Find the y-int.

-4

Solve

100

x/11+10=1

x=-99

200

9x-10=92

x=11.3