Solve by factoring.
Solve using square roots.
Solve with the quadratic formula
Find the Discriminant
Complex Number Operations
100

p2 + -2p - 15 = 0

5, -3

100

4x2 + 25 = 125

x= 5 or x = -5

100

m2 − 5m − 14 = 0

{7, −2}

100

a2 + 14a - 51 = 0

400

100

√(-5) * √(40)

10i√2

200

3n2 + 13n + 12 = 0

-4/3, -3

200

(4x + 1)2 - 16 = 0

x = 3/4 or x = -5/4

200

b2 − 4b + 4 = 0

{2}

200

x2 − 12x + 11 = 0

100

200

(5 - 2i) + (-3 -4i)

2 - 6i

300

7r2 +49r + 84 = 0

-4, -3

300

(a - 2)2 - 2 = 34

a = 8 or a = -4

300

2x2 − 3x − 5 = 0

{5/2 , −1}

300

n2 = 18n + 40

484

300

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

16 - 11i

400

3v2 + 7v - 40 = 0

8/3, -5

400

3(x + 7)2 - 24 = 0

x = -7 + 2 square root of 2

or

x = -7 - 2 square root of 2

400

9n2 - 7n - 4= 0

{ 7 + square root of 193 / 18, 7 - square root of 193 / 18}

400

x2 − 10x + 26 = 8

28

400

i55

-i