Final answer to the problem
$x=7,\:x=-7$
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Apply the formula: $x+a=b$$\to x+a-a=b-a$, where $a=-49$, $b=0$, $x+a=b=x^2-49=0$, $x=x^2$ and $x+a=x^2-49$
$x^2-49+49=0+49$
Learn how to solve equazioni quadratiche problems step by step online.
$x^2-49+49=0+49$
Learn how to solve equazioni quadratiche problems step by step online. Solve the quadratic equation x^2-49=0. Apply the formula: x+a=b\to x+a-a=b-a, where a=-49, b=0, x+a=b=x^2-49=0, x=x^2 and x+a=x^2-49. Apply the formula: x+a+c=b+f\to x=b-a, where a=-49, b=0, c=49, f=49 and x=x^2. Apply the formula: x^a=b\to \left(x^a\right)^{\frac{1}{a}}=\pm b^{\frac{1}{a}}, where a=2 and b=49. Apply the formula: a^b=a^b, where a=49, b=\frac{1}{2} and a^b=\sqrt{49}.
Final answer to the problem
$x=7,\:x=-7$
