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1 vote
Whats the answer to this?

Whats the answer to this?-example-1

1 Answer

2 votes

it should be +60 not +78

when you multiply 18x by X - 3 you obtain 18x² - 54x . Subtract what you have gotten from 18x²-6x you obtain 60x

Whats the answer to this?-example-1
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