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2 years ago

15

3x2 + 2(x2 – 20) = 16 - 2x2

1 answer:

lana66690 [7]2 years ago

8 0

3x(2) + 2(2x - 20) = 16 - 2x(2)

6x + 4x - 40 = 16 - 4x

10x - 40 = 16 - 4x

14x - 40 = 16

14x = 56

x = 4

Hope this helps! ;)

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