SOLUTION: x^2=49

Algebra ->  Algebra  -> Quadratic Equations and Parabolas -> SOLUTION: x^2=49      Log On

Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo .
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   


Question 59318: x^2=49
Found 2 solutions by checkley71, funmath:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X^2=49
X*X=7*7 THUS
X=7

Answer by funmath(2873) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2=49
sqrt%28x%5E2%29=%2B-sqrt%2849%29
When you take the square root of both sides you must keep in mind that 7*7=49 and -7*-7=49
x=-7 and x=7
:
Another way to come up with both answers is:
x%5E2-49=49-49
x%5E2-49=0 Factor
%28x%2B7%29%28x-7%29=0
x+7=0 and x-7=0
x=-7 and x=7
Happy Calculating!!!