SOLUTION: {{{(2x+5)^2=49}}}

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Question 539711: %282x%2B5%29%5E2=49
Answer by boilpoil(127) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28%282x%2B5%29%5E2%29=+-sqrt%2849%29
2x+5=+-7

A: 2x+5=7
2x=2
x=1

B: 2x+5=-7
2x=-12
x=-6

x=1, -6

*+- = plus-minus sign