Please help. "simplify: 1: -3x(x^2+2) 2: (2x+5)(x^2-x-2)" thank you
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Hello, Originally Posted by haflore Please help. "simplify: 1: -3x(x^2+2) 2: (2x+5)(x^2-x-2)" thank you Do you mean "expand" ? For the first one, it's like a(b+c)=ab+ac For the second one : $\displaystyle (2x+5)(x^2-x-2)=2x(x^2-x-2)+5(x^2-x-2)$
thank you again Moo!
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