SOLUTION: {{{(2x+5)^2=49}}}
Algebra.Com
Question 539711:
Answer by boilpoil(127) (Show Source): You can put this solution on YOUR website!
=+-
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
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