Question

solve the following system of equations algebraically : 5=y-x 4x^2=-17x=y=4

Answer 1

this looks weird to me

Answer 2

are you sure you typed it correctly?

Answer 3

5=y-x
4x^2=-17x+y+4

Answer 4

ok that looks better

Answer 5

\[5+x=y\] is the fist equation plug this into the second equation

Answer 6

\[4x^2=-17x+(5+x)+4\]
put everything on one side
you can use the quadratic formula if you want

Answer 7

what do you mean by putting it all on one side

Answer 8

\[4x^2=-16x+9\]
\[4x^2+16x-9=0\]
thats what i mean