thebreathingtoxic thebreathingtoxic

04-02-2021
Mathematics

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System of equations!!!

System of equations class=

Respuesta :

welchtamika welchtamika

05-02-2021

Answer:

Step-by-step explanation:

1. x^2-x-20=3x-15

x=5, x=1 substitute

y=3*5-15 = 0

y=3*(-1)-15 = -18

Solution: (5,0) & (-1,-18)

2. x^2+2x+3=x+5

x=-2, x=1 substitute

y= -2+5 = 3

y=1+5 = 6

Solution: (-2,3) & (1,6)

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