x2 + 6x - 110 = 0
∴ x2 + 6x = 110
∴ x2 + 6x + 36 = 146
∴ (x + 6)2 = 146
∴ x + 6 = ±1461/2
∴ x = -6 ±1461/2
∴ x ≈ 6.083, 18.083
Chat with our AI personalities
x2 + 7x = 2x2 + 6 x2 - 2x2 + 7x = 6 -x2 +7x - 6 = 0 or alternatively x2 - 7x + 6 = 0
-2
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
No.
168