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Solve Quadratic Equation by Completing the Squar ...

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x^2+16x+64=90

x= - 8 + 3sqrt(10), x= - 8 - 3sqrt(10)

x^2+6x+9=49

x= 4, x= - 10

x^2-8x+16=9

x=7, x=1

x^2-14x+49=100

x=17, x= - 3

x^2-12x+36=64

x=14, x= - 2

x^2+10x+25=81

x=4, x=-14

x^2-22x+121=50

x=11 + 5sqrt(2), x=11 - 5sqrt(2)

x^2-18x+81=144

x=21, x= - 3

x^2-6x+9 = 40

x=3+2sqrt (10), x=3 - 2sqrt (10)

x^2-14x+49=200

x=7+10sqrt(2), x=7- 10sqrt(2)

x^2-20x+100=500

x= 10 + 10sqrt(5), x= 10 - 10sqrt(5)