SOLUTION: im taking a algebra1 test on polynomials and one of the questions says to Find The Square - (2x-6)^2 , I Dont know how to do them...can you please help?

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Question 39149This question is from textbook Prentice Hall Mathematics Algebra 1
: im taking a algebra1 test on polynomials and one of the questions says to Find The Square - (2x-6)^2 , I Dont know how to do them...can you please help? This question is from textbook Prentice Hall Mathematics Algebra 1

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(2x-6)^2 this means to multiply this binomial twice:
(2x-6)(2x-6) now, multiply the first terms, the first term by the second, the second by the first, and the last terms together
(2x)(2x) - 6(2x) - 6(2x) - (6)(-6)
4x^2 - 12x - 12x + 36
4x^2 - 24x + 36