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8x²-x+x²+4x-9x²=18 Help meee

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8x²-x+x²+4x-9x²=18 Help meee

asked Dec 13, 2019 22.5k views

4 votes

8x²-x+x²+4x-9x²=18

Help meee

Mathematics
middle-school

Troy Howard asked

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1 Answer

5 votes

8x² - x + x² + 4x - 9x² = 18

3x = 18 | 8x² + x² - 9x² = 0

x = 6 | divide by 3

Answer: x = 6

Alex Kolovatov answered Dec 17, 2019

by Alex Kolovatov

7.5k points

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