trying to use elimination this time to solve system of equations

Question

anonymous · Answer

attachment

anonymous · Answer

i started it... hopefully im on the right track

anonymous · Answer

you are do you know what to do next?

anonymous · Answer

okay so i simplified it down to
$$17x ^{2}-340x+1428$$

anonymous · Answer

now do i factor?

anonymous · Answer

yep

anonymous · Answer

ill take out 17 as a gcf to make it easier

anonymous · Answer

you actually are pretty smart some kids are pretty slow on this concept but you get it. these are just really hard problems

anonymous · Answer

yes take out 17

anonymous · Answer

haha thanks.. the thing is i actually want to learn how to do it not just be thrown the answer.. i had a real crappy teacher that didnt teach a thing and im trying to take ap calc so i have to self teach myself alot of material (sorry ranting lol)

but i factored i got 17(x-6)(x-14)..

anonymous · Answer

@twistnflip

anonymous · Answer

yes thats correct i am in dual enrollment calc now

anonymous · Answer

what do i do next? lol youre a calc god

anonymous · Answer

set them equal to zero ( forget the 17) and solve for x- values
i am only in 10th grade lol

anonymous · Answer

omg thats wild... im in 12th.. thats incredible. okay so 6 and 14

anonymous · Answer

but i plug those into the original equations?

anonymous · Answer

yes now plug back in and solve for y and you have got it, one solution will be (0,0) for the 17

anonymous · Answer

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