Gleichung"""

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770

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4x²-(2x+3)²=4 (2x-7)-1
AND PLEASE HOW U DO IT.... thx

Guest Nov 20, 2012

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2⁺⁰ Answers

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Gleichung!!:
4x²-(2x+3)²=4 (2x-7)-1
AND PLEASE HOW U DO IT.... thx

12
-4

Guest Nov 23, 2012

+42

0

4x^2 - 4x^2 - 12x - 9 = 8x - 28 - 1
-20x = -20
x = 1

ricom39 Nov 26, 2012

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