Nick88888888
  • Nick88888888
Solve by using the Quadratic Formula: 5x2 - 2x - 3 = 0 Can someone show me how to do this step by step?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
kropot72
  • kropot72
Do you know the formula for solving any quadratic?
Nick88888888
  • Nick88888888
errr zero-product property?
kropot72
  • kropot72
\[\large x=\frac{-b \pm \sqrt{b^{2}-4ac}}{2a}\] for quadratic \[\large ax^{2}+bx+c\]

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kropot72
  • kropot72
For your question: a = 5, b = -2, c = -3 Just plug the values into the formula.
Nick88888888
  • Nick88888888
Ok so |dw:1435564026199:dw|
kropot72
  • kropot72
@Nick88888888 Can you do that?
Nick88888888
  • Nick88888888
@kropot72 Did i do that correctly or did i make a mistake in the order i solved things?
kropot72
  • kropot72
\[\large x=\frac{-(-2) \pm \sqrt{4-4(-3\times5)}}{10}\]
kropot72
  • kropot72
\[\large =\frac{2\pm \sqrt{(4+60)}}{10}=you\ can\ calculate\]
Nick88888888
  • Nick88888888
2+√(4+60)/10=2.8? 2-√(4+60)/10=1.2?
Nick88888888
  • Nick88888888
wait no
Nick88888888
  • Nick88888888
2-√(4+60)/10=-0.6 2+√(4+60)/10=1
kropot72
  • kropot72
Correct. Good work.

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