\(x^{2} +18x+79=0\)
x² + 18x + 79 = 0x = -(18) +/- √((18)² - 4(1)(79)) 2(1)x = -18 +/- √(324 - 316) 2x = -18 +/- √(8) 2x = -18 +/- 2√(2) 2x = -9 + √(2)x = -9 + √(2) x = -9 - √(2)