PLEASE HELP ME ASAP!!!!!!!!!!!! :) I really need to remember on how to do this equation.

Solve the system algebraically.
y=25x^2+x
9x+y=3

2 answers

I would use substitution

from the 2nd: y = 3 - 9x

sub into the 1st
3-9x = 25x^2 + x
25x^2 + 10x - 3 = 0
(5x-1)(5x+3) = 0

x = 1/5 or x = -3/5

if x = 1/5 , y = 3-9(1/5) = 6/5
if x = -3/5 , y = 3 - 9(-3/5) = 42/5
Thank you so much I really appreciate it.
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