MATH SOLVE

5 months ago

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

Accepted Solution

A:

The whole equation is multiply my -1.-2x2 + 5x + 5 = 0Now 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.