Square Root
√16
x2+6x+9=0
x=−3
x2 − 13x+ 40
(x−5)(x−8)
x2 + 6x +5 =0
x=−1,−5
√20
2√5
x2 +8x +5=0
x=−4±√11
9x2 − 16
(3x−4)(3x+4)
x2 −4x −7=0
x=2±√ 11
√72
6√2
x2 −10x +7 =0
x=5±3√ 2
10x2 +17x +3
(5x+1)(2x+3)
2x2 +3x −1 =0
x=−3±√ 17 /4
√98
7√2
2x2 +12x +7 =0
x=−3±√ 11/2
12x2 −x −6
(3x+2)(4x−3)
3x2 −5x +2 =0
x=1, 2/3
√180
6√5
3x2 −18x +10 =0
x=3±√17/3
6x3 +9x2 - 8x - 12
(3x2−4)(2x+3)
5x2+2x+7=0
x=−2±√ −136 /10