What is the answer to |x^2+4x-16|=16 ?

The answer to |x^2+4x-16|=16 is x=-8\lor x=-4\lor x=0\lor x=4

Solve for x: |x^2+4x-16|=16

The solution is x=-8\lor x=-4\lor x=0\lor x=4

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x^{2} + 4 x - 16 = 16

x = - 8 or x = - 4 or x = 0 or x = 4

Solution steps

x^{2} + 4 x - 16 = 16

Apply absolute rule: If

∣ u ∣ = a, a > 0

then

u = a

u = - a

x^{2} + 4 x - 16 = - 16 or x^{2} + 4 x - 16 = 16

x^{2} + 4 x - 16 = - 16 or x^{2} + 4 x - 16 = 16

(x = - 4 or x = 0) or (x = - 8 or x = 4)

x = - 8 or x = - 4 or x = 0 or x = 4

∣ - 4 d + 6 ∣ = 12

4 - 2 ∣ 10 x - 1 ∣ = 11

∣ x - 3 ∣ + 9 = 5

∣ 1 - 4 x ∣ = 5

∣ 5 c - 1 ∣ - 5 = 4

What is the answer to |x^2+4x-16|=16 ?
The answer to |x^2+4x-16|=16 is x=-8\lor x=-4\lor x=0\lor x=4
Solve for x: |x^2+4x-16|=16
The solution is x=-8\lor x=-4\lor x=0\lor x=4