21-03-2018
Mathematics

contestada

x2 – 144 = 0 (what formula did you use besides calculator or quadratic formula ) show work on how you solved plz :D (put down 26 pts)

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ccshortey ccshortey

21-03-2018

2X - 144 = 0
+ 144. + 144
2X = 144
/2. /2.
X = 72

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Cheetah9998 Cheetah9998

21-03-2018

x^2 = 144
sqrt(x^2) = sqrt(144)
x = 12

Square root formula? It’s not really a formula though.

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