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Svetllana [295]
3 years ago
7

What is the solution of 2x^2+8=x^2-16

Mathematics
1 answer:
AfilCa [17]3 years ago
8 0

Answer:

x = -12

Step-by-step explanation:

2x^2 + 8 = x^2 - 16

2x + 2x + 8 = x + x - 16

4x + 8 = 2x - 16

-2x        -2x

2x + 8 = -16

      -8     -8

2x = -24

----   ------

2        2

x = -12

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