Work Step by Step
Given: $x^2-14x$ We need to add $(-7)^2$ to complete the square. Thus, $x^2+2x+(-7)^2=x^2+(-7)^2+(2)(x)(1)$ Apply difference of polynomial formula. or, $x^2+(-7)^2+(2)(x)(1)=(x-7)^2$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.