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I've got two of these kinds of problems and no clue how to do them, help please!

I've got two of these kinds of problems and no clue how to do them, help please!
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3 votes
I've got two of these kinds of problems and no clue how to do them, help please!

I've got two of these kinds of problems and no clue how to do them, help please!-example-1
User Kinze
by
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2 Answers

4 votes
Doesn't X equal 0 because anything times 0 equals 0
User Grant Paul
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8.6k points
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Hello,


3x^3+2x^2-3x-2=0\\ 3x^3-3x+2x^2-2=0\\ 3x(x^2-1)+2(x^2-1)=0\\ (x^2-1)(3x+2)=0\\ (x-1)(x+1)(3x+2)=0\\ Sol=\{- (2)/(3), -1,1 \}
User Neda Homa
by
7.9k points
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