First multiply all of the coefficients:
Next we need to multiply the variables:
Put it all together, and our answer is:
We still start by changing the subtraction symbol to adding a negative.
We need to distribute the 15 to each term inside the parentheses.
Again we need to distribute.
Now, don't forget that we have to combine like terms.
Make it rain.
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danielnieh 6 minutes ago
Hello daniel. i am daniel. i would like to eat some cake because I'm hungry.
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this is my message bubble. i like to ride motorcycles because i eat chocolate.