Final answer to the problem
$x=3,\:x=4$
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1
Apply the formula: $\left(a+b\right)^2$$=a^2+2ab+b^2$, where $a=7$, $b=-x$ and $a+b=7-x$
$x^2+49-14x+x^2=25$
Learn how to solve equazioni quadratiche problems step by step online.
$x^2+49-14x+x^2=25$
Learn how to solve equazioni quadratiche problems step by step online. Solve the quadratic equation x^2+(7-x)^2=25. Apply the formula: \left(a+b\right)^2=a^2+2ab+b^2, where a=7, b=-x and a+b=7-x. Combining like terms x^2 and x^2. Group the terms of the equation by moving the terms that have the variable x to the left side, and those that do not have it to the right side. Apply the formula: a+b=a+b, where a=25, b=-49 and a+b=25-49.
Final answer to the problem
$x=3,\:x=4$
