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3 years ago

15

How to solve -x^2-2x=5

2 answers:

Julli [10]3 years ago

8 0

Let's solve your equation step-by-step.

<span><span><span>−<span>x^2</span></span>−<span>2x</span></span>=5

</span>Step 1: Subtract 5 from both sides.

<span><span><span><span>−<span>x^2</span></span>−<span>2x</span></span>−5</span>=<span>5−5

</span></span><span><span><span><span>−<span>x^2</span></span>−<span>2x</span></span>−5</span>=0

</span>Step 2: Use quadratic formula with a=-1, b=-2, c=-5.
<span><span><span><span>
</span></span></span></span><span>x=(<span><span>2±<span>√<span>−16)/</span></span></span><span>−<span>2</span></span></span></span>

Ymorist [56]3 years ago

7 0

I hope this helps you

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