Answer
$1-2x+x^2$
Work Step by Step
RECALL:
$(a-b)^2=a^2-2ab+b^2$
Use the formula above to have:
$(1-x)^2
\\=1^2-2(1)(x)+x^2
\\=1-2x+x^2$
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.