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Complete the square of 5x^2-6x=8?

Science & Mathematics by Anonymous 2018-06-18 00:32:26

Social Science

Complete the square of 5x^2-6x=8?

3 answers

  • Anonymous

    By completing the square x = 2 or -4/5

  • Anonymous

    5x² - 6x = 8 {multiply through by 4a which here is 20} 100x² - 120x + 36 = 160 + 36 (10x - 6)² = 196 10x = 6 ± 14 x = -4/5 or 2

  • Anonymous

    x^2-6x/5 = 8/5 x^2--6x/5 + 9/25 = 40/25+9/25 (x-3/5)^2 = 49/25 x - 3/5 = ± 7/5 x = 2 or -4/5

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