Step-by-step explanation:
3x2 -5x+1=0
Quadratic eq ax2 +bx+c=0
Discriminant=b2 -4ac
=(-5)2 -4*3*1
=25-12
=13>0 so 2 solutions.
Answer:15x+9y
9x+8x-2x=15x
Answer:
15x +10y =400
All divide by 5
3x +2y =80
2y=80 - 3x
y=80-3x/2
Hope this helps.
