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Mathematics 20 Online
OpenStudy (andrewkaiser333):

simplify (x^2-3x+1)-(x^2+2x+7)

OpenStudy (anonymous):

well first I need to know wat the ^ is. please.

OpenStudy (andrewkaiser333):

means to second power in this case

OpenStudy (andrewkaiser333):

x squared

OpenStudy (anonymous):

well first u need to switch all the signs like this: x^2+3x-1+x^2-2x-7

OpenStudy (andrewkaiser333):

k

OpenStudy (andrewkaiser333):

what is next????

OpenStudy (jdoe0001):

\(\bf (x^2-3x+1)-(x^2+2x+7)\implies x^2-3x+1-x^2-2x-7\\ \quad \\ {\color{red}{ x^2-x^2}}{\color{blue}{ -3x-2x}}-7+1\)

OpenStudy (anonymous):

ya just like that. ^^

OpenStudy (andrewkaiser333):

so 2x^2-x+8??

OpenStudy (andrewkaiser333):

can you give jdoe0001 a medal??? i gave you one

OpenStudy (andrewkaiser333):

you both helped me understand

OpenStudy (anonymous):

thanks

OpenStudy (andrewkaiser333):

np

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