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EmmaH
Group Title
Simplify: 2x(x + 18)  x(4x  2)
2x2 + 38x
2x2 + 38
2x2 + 34
I did the work but I dont know what I did wrong can someone help me?
2x(x+18)  x(4x2)
2x^2+36x  4x 2x
2x2+36x 2x
38x^22x
what did i do wrong?
 one year ago
 one year ago
EmmaH Group Title
Simplify: 2x(x + 18)  x(4x  2) 2x2 + 38x 2x2 + 38 2x2 + 34 I did the work but I dont know what I did wrong can someone help me? 2x(x+18)  x(4x2) 2x^2+36x  4x 2x 2x2+36x 2x 38x^22x what did i do wrong?
 one year ago
 one year ago

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mathstudent55 Group TitleBest ResponseYou've already chosen the best response.0
2x(x+18)  x(4x2) You copied the problem correctly. That's the first step. 2x^2+36x  4x 2x Line above. Be careful distributing the x in the second parentheses. A negative outside the parentheses changes every sign inside the parentheses. Also, remember, x(x) = x^2 The above line should read: 2x^2 + 36x  4x^2 + 2x Notice 4x^2, not 4x, and notice the +2x, not 2x at the end.
 one year ago
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