help solving 4x^2-12x+9=5
4x² - 12x + 9 = 5 - 5 - 5 4x² - 12x + 4 = 04(x²) - 4(3x) + 4(1) = 0 4(x² - 3x + 1) = 0 4 4 x² - 3x + 1 = 0 x = -(-3) ± √((-3)² - 4(1)(1)) 2(1) x = 3 ± √(9 - 4) 2 x = 3 ± √(5) 2 x = 1.5 ± √(5) x = 1.5 + √(5) or x = 1.5 - √(5)
