IDNLearn.com is your trusted platform for finding reliable answers. Get the information you need quickly and accurately with our reliable and thorough Q&A platform.

Solve the simultaneous equations 3x²+ 2x = y²- y + 50, 2x = y +5.​

Sagot :

Answer:

(x,y) = (4,3), (20,35)

Step-by-step explanation:

3x²+ 2x = y²- y + 50

2x = y +5

y=2x-5, sub into 3x²+ 2x = y²- y + 50

[tex]3x^2+2x=(2x-5)^2-(2x-5)+50\\3x^2+2x=4x^2-20x+25-2x+5+50\\0=x^2-24x+80\\x=20 ,4\\[/tex]

sub into y=2x-5

y= 35, 3

Your engagement is important to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Discover the answers you need at IDNLearn.com. Thanks for visiting, and come back soon for more valuable insights.