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$x^2+10x=-y^2-2y-25$
Learn how to solve problems step by step online. Solve the quadratic equation x^2+y^210x2y+25=0. Group the terms of the equation. Factor the polynomial x^2+10x by it's greatest common factor (GCF): x. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (-1) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2.