Question

Solve by using Substitution, please help! Show work if you can!

Answer 1

Answer:

0=  $x^{2}$+3x

Step-by-step explanation:

Since y= x+1,

x+1=$x^{2}$+4x+1

--> Bring x to the other side by changing sign.

1= $x^{2}$+4x-x+1

1= $x^{2}$+3x+1

--> Bring 1 to the other side by changing sign.

0= $x^{2}$+3x+1-1

0=  $x^{2}$+3x+0

(Note: When there's is no number in the LHS side, it becomes 0)

--> Bring 0 on the RHS, to LHS

0-0= $x^{2}$+3x

--> 0=  $x^{2}$+3x

Please mark me as brainliest!

Answer 2

Hey sorry if I cant show work but here is the point form:
( 0 , 1 ) and ( -3 , -2 )