anonymous
  • anonymous
Solve the following system of equations and show all work. y = x2 + 3 y = x + 5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@Hero
anonymous
  • anonymous
@kropot72
anonymous
  • anonymous
@dan815

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More answers

iPwnBunnies
  • iPwnBunnies
I think the easiest way is to equate the x part to each other (since y = y), bring all the terms to one side, and solve the quadratic equation.
iPwnBunnies
  • iPwnBunnies
x + 5 = x^2 + 3
anonymous
  • anonymous
ok that makes sense, but now what?
iPwnBunnies
  • iPwnBunnies
Take all the terms to the right side, so the left side becomes 0.
anonymous
  • anonymous
x+5-x^2-3=0 ?
iPwnBunnies
  • iPwnBunnies
Yeah, like that. Although, it might've been easier to put the left part on the right side, so you won't have a negative x^2 term. But it makes no difference. If you multiply both sides by -1, you'll get the nicer form. Do that, and simplify.
anonymous
  • anonymous
wait I'm confused, can you show me?
anonymous
  • anonymous
oh x^2+3-x+5 =0 ???
iPwnBunnies
  • iPwnBunnies
0 = x^2 + 3 - x - 5
iPwnBunnies
  • iPwnBunnies
X and 5 are both positive on the left side, so when you subtract it, it'll be negative on the right side.
anonymous
  • anonymous
ok got it, no combine 3 and -5 ?
anonymous
  • anonymous
*now
iPwnBunnies
  • iPwnBunnies
Exactly! Finally, solve the quadratic equation.
anonymous
  • anonymous
available to help with one more?
iPwnBunnies
  • iPwnBunnies
I can't find now unfortunately. I'm sorry :c But good luck!
iPwnBunnies
  • iPwnBunnies
right now*
anonymous
  • anonymous
ok
anonymous
  • anonymous
wait can you show me the equation real quick with 3 and -5 combined?
anonymous
  • anonymous
@iPwnBunnies
anonymous
  • anonymous
nevermind sorry

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