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WooBin
 4 years ago
simplify
2x^2−x−3
WooBin
 4 years ago
simplify 2x^2−x−3

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jimmyrep
 4 years ago
Best ResponseYou've already chosen the best response.2ok  sorry to factor these you need to find two numbers with a product of 3 and a sum of 2* one of numbers + other number which gives 1 here they are 3 and +1 and you multiply the +1 by 2 to give you 3 +2(1) = 1

jimmyrep
 4 years ago
Best ResponseYou've already chosen the best response.2i do these by making 3 columns as follows 2x 3 1x (aim for this)  2 X x 3 * +1 3 + 1*2 = 1
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