Solve by factoring.
p2 + -2p - 15 = 0
5, -3
4x2 + 25 = 125
x= 5 or x = -5
m2 − 5m − 14 = 0
{7, −2}
a2 + 14a - 51 = 0
400
√(-5) * √(40)
10i√2
3n2 + 13n + 12 = 0
-4/3, -3
(4x + 1)2 - 16 = 0
x = 3/4 or x = -5/4
b2 − 4b + 4 = 0
{2}
x2 − 12x + 11 = 0
100
(5 - 2i) + (-3 -4i)
2 - 6i
7r2 +49r + 84 = 0
-4, -3
(a - 2)2 - 2 = 34
a = 8 or a = -4
2x2 − 3x − 5 = 0
{5/2 , −1}
n2 = 18n + 40
484
(2 - 3i)(5 + 2i)
16 - 11i
3v2 + 7v - 40 = 0
8/3, -5
3(x + 7)2 - 24 = 0
x = -7 + 2 square root of 2
or
x = -7 - 2 square root of 2
9n2 - 7n - 4= 0
{ 7 + square root of 193 / 18, 7 - square root of 193 / 18}
x2 − 10x + 26 = 8
28
i55