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Mathematics 11 Online
OpenStudy (anonymous):

5(4x+6) - 3(2x-9)

OpenStudy (anonymous):

=20x+30-6x+27 =14x+57

OpenStudy (anonymous):

so you do multiply the 5 and the 4x even though they're not like terms? That's what I was confused about.

OpenStudy (anonymous):

yes, X is a unknown variable so you just multiply in the 5*4x and 5*6. The same is done with 3*2x and 3*9

OpenStudy (anonymous):

thank you !

OpenStudy (anonymous):

np

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