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1/22/2013 2:13:33 AM
3
math exam
I am trying to study for my math exam. There are 3 types of problems I have issues with so I am going to post examples and hope that someone can help. Thanks in advance.
4^2x²+2x = 8 (you put them both to base 2 but thats all I know)
expand and simplify 5x(3x-2y) - 7x(2x+3y)
Factor fully 2x²(x+2) - x(x+2) - 3(x+2)
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5 Replies5x(3x-2y) - 7x(2x+3y) Multiply out 15x^2 - 10xy -14x^2 - 21xy add like terms 1x^2 - 31xy That's all you can do with that one.
