SOLUTION: Solve using the square root property: 2x2 = 40

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Question 44194This question is from textbook INTERMEDIATE ALGEBRA
: Solve using the square root property:
2x2 = 40 This question is from textbook INTERMEDIATE ALGEBRA

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
From 2x^2 = 40
divide both sides by two first and get
x^2 = 20
now take the square root and get
x = ± sqrt(20)
x = ± 2*sqrt(5)