SOLUTION: Express radicals in simplest form. x^2 + 3 = 52

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Question 173412This question is from textbook Introductory Algebra
: Express radicals in simplest form.
x^2 + 3 = 52 This question is from textbook Introductory Algebra

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2+%2B+3 = 52
x%5E2+%2B+3-49 = 52-52
x%5E2-49 = 0
(x-7)(x+7) Factor
x-7=0
x=7
and
x+7=0
x=-7
.
.
Solutions: x = 7 and x = -7