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Mathematics 8 Online
OpenStudy (anonymous):

*FOR A MEDAL* Simplify. (4x – 3)(2x^2 – 7x + 1) (x^2 + 4x – 3)(2x^2 + x + 6)

OpenStudy (anonymous):

Two different problems? Simplifying both?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Okay. For the first one: This is the equation? \[(4x-3)(2x^2-7x+1)\]

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

You just multiply each term: First (4x)(2x^2-7x+1). This equals: 8x^3-28x^2+4x

OpenStudy (anonymous):

Do you understand what I'm doing?

OpenStudy (anonymous):

Then (-3)(2x^2-7x+1): -6x^2+21x-3

OpenStudy (anonymous):

Subtract this from the first equation: 8x^3-28x^2+4x - (-6x^2+21x-3)

OpenStudy (anonymous):

@babyblue123 Do you know how to go from there?

OpenStudy (anonymous):

nope i don't get it

OpenStudy (anonymous):

You're just distributing 4x-3. So you multiply it by 2x^2-7x+1.

OpenStudy (anonymous):

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