What is the answer to |x^2-4x-18|=3 ?

The answer to |x^2-4x-18|=3 is x=-3\lor x=2-sqrt(19)\lor x=2+sqrt(19)\lor x=7

Solve for x: |x^2-4x-18|=3

The solution is x=-3\lor x=2-sqrt(19)\lor x=2+sqrt(19)\lor x=7

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x^{2} - 4 x - 18 = 3

x = - 3 or x = 2 - 19 or x = 2 + 19 or x = 7

Decimal Notation

x = - 3, x = - 2.35889 \dots, x = 6.35889 \dots, x = 7

Solution steps

x^{2} - 4 x - 18 = 3

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x^{2} - 4 x - 18 = - 3 or x^{2} - 4 x - 18 = 3

x^{2} - 4 x - 18 = - 3 or x^{2} - 4 x - 18 = 3

(x = 2 - 19 or x = 2 + 19) or (x = - 3 or x = 7)

x = - 3 or x = 2 - 19 or x = 2 + 19 or x = 7

∣ - x ∣ = - 3

57 = ∣ b - 8 ∣

∣ 7 + 5 x ∣ = 8

∣ 16 - x ∣ = 72

∣ 3 r ∣ - 3 = 9

What is the answer to |x^2-4x-18|=3 ?
The answer to |x^2-4x-18|=3 is x=-3\lor x=2-sqrt(19)\lor x=2+sqrt(19)\lor x=7
Solve for x: |x^2-4x-18|=3
The solution is x=-3\lor x=2-sqrt(19)\lor x=2+sqrt(19)\lor x=7