Y=x^2-4x+8 and 4x+y=12 so y=12-4x, insert y in the quadratic to get
12-4x=x^2-4x+8
12=x^2+8
0=x^2-4=(x-2)(x+2)
So the solutions are x=2 and x=-2.
Answer:
1/18
Step-by-step explanation:
30/42 becomes 5/7 if you divide both numbers by 6, the gcf
What you do is you distribute the 5.
So your answer would be 5x+15
