How do you multiply #(x + 1)(x + 2)#?
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"Can mixtures be separated by chromatography?"
1 Answer
Jul 12, 2016
Explanation:
Rule of FOILING
Method (FOILING)
#(x+1)(x+2) = (x)(x)+(x)(2)+(1)(x)+(2)(1)#
#x^2 + 2x + x + 2#
#x^2 + 3x + 2#
