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OpenStudy (anonymous):
0.4x^2+0.6x^2-0.2x^2
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OpenStudy (anonymous):
solve for x?
OpenStudy (anonymous):
simplify
OpenStudy (anonymous):
sorry you cant solve for x, but you want to combine the "coefficients", which are the numbers in front of the x
OpenStudy (anonymous):
since all of those have the same exponent, you can pretend like its just: 0.4+0.6-0.2
OpenStudy (anonymous):
so youll end up with .8x^2
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OpenStudy (anonymous):
only if they are the same exponent though!
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