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Can someone explain the changing of the signs on both side of the equation?
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Can someone explain the changing of the signs on both side of the equation?

Can someone explain the changing of the signs on both side of the equation?-example-1
User PerroNoob
by
6.3k points

1 Answer

3 votes

The whole equation is multiply my -1.

-2x2 + 5x + 5 = 0

Now multiply it with -1.

-1 (-2x2 + 5x + 5 = 0) and you get:

2x2 - 5x - 5 = 0.

It doesn't matter the answer will be the same.

User Dushkin
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6.4k points
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