6x + 8/2 + 5 = 5x/36x + 4 + 5 - 5x/3 = 06x + 9 - 5x/3 = 0(13/3)x + 9 = 0x = -9 / (13/3) = -(27/13) (x - 5)² = (x + 10)²x² - 10x + 25 - (x+10)² = 0x² - 10x + 25 - (x² + 20x + 100) = 0x²- 10x + 25 - x² - 20x - 100 = 0-10x + 25 - 20x - 100 = 0-30x - 75 = 0- 30x = 75x = -75 / 30 = - 2.5(x + 10)² = (5 - x)²x² + 20x + 100 - (5 - x)² = 0x² + 20x + 100 - (25 - 10x + x²) = 0x² + 20x + 100 - 25 + 10x - x² = 0x² + 20x + 75 + 10x - x² = 0x² + 30x + 75 - x² = 030x + 75 = 030x = -75x = -75/30 = -2.5.