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Mathematics 28 Online
OpenStudy (anonymous):

(3x^2 + 2x - 3)(x - 1)

OpenStudy (anonymous):

Multiply every term together. Do you know how?

OpenStudy (anonymous):

no im stuck

OpenStudy (anonymous):

Okay, I'll walk you through it. Take the first term and separate it from the other two terms in that trinomial. So you have this: (3x^2)(x - 1) Now distribute 3x^2 to x and -1.

OpenStudy (anonymous):

is it 3x^2+3x-4?

OpenStudy (anonymous):

Not quite, you want 3x^3 - 3x^2.

OpenStudy (anonymous):

uggh...

OpenStudy (anonymous):

So you have the next term. 2x. So... 2x(x - 1)

OpenStudy (anonymous):

what about this 2x^2-2x

OpenStudy (anonymous):

Yup :D

OpenStudy (anonymous):

3x^3 - 3x^2 + 2x^2-2x Now the third term must be distributed and added.

OpenStudy (anonymous):

3x^3+x^2-2x

OpenStudy (anonymous):

3x^3 - 3x^2 + 2x^2 - 2x Stay at that before you simplify. You still have to do: 3(x - 1)

OpenStudy (anonymous):

3x^3-5x-3

OpenStudy (anonymous):

3x^3 - 3x^2 + 2x^2 - 2x + 3x - 3 3x^3 - x^2 + x - 3

OpenStudy (anonymous):

i give up thanks for your help

OpenStudy (anonymous):

Never give up, you can figure it out. :) Good luck on future problems.

OpenStudy (anonymous):

thanks

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