(15a^2b^6 c^8)×(-3a^7 b^4 c^3)
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3 means a × a × a b a means a ÷ b c ba. 2 means a × a × b ÷ c ... 2. + 2a. 2. – 5ab – 7b. 2. = 3a. 2. – 2ab – 11b. 2. Expanding a bracket.
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lAn intersection is a point where two lines or streets cross. There are two places you're most likely to find intersections: in math class and in traffic. In math, an intersection is the spot where two lines cross. Those lines share this common point.
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