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Need help with an equation. Hoping for someone to explain to me how to do it.
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\[\sqrt{X^2-X-5}=5\]
Okay, so you want us to solve it.
Square each side.
so you get x^2-x-5=25
Then you subtract five from both sides.
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x^2-x=20.
That's it I guess.
x=5
Plug in, 5^2-5=25-5=20
Now shower me with medals or penguin friends.
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D:
Thank you BUT!
What.
What else do you need.
I have to pick from A:-5 B:-6 C: 6 D:-5,6
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Solve for X
Oh.
x^2-x=20
I would go with -5
And 6
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So D.
okay thanks
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