Answers

2015-08-07T19:51:39+08:00
Ex.of square of a binomial
(2x-3)^2  first is, multiply the first term to square (2x)^2=4x^2,second is multiply the first and second term (2x)-3=(-6x)+(-6x)=-12x,third is multiply the second term to square
(-3)^2=9
and the answer is 4x^2-12x+9
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