What is the answer to x^2-2|x|-15=0 ?

The answer to x^2-2|x|-15=0 is x=-5\lor x=5

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x^2-2|x|-15=0

x^{2} - 2 ∣ x ∣ - 15 = 0

x = - 5 or x = 5

Solution steps

x^{2} - 2 ∣ x ∣ - 15 = 0

Find positive and negative intervals

x < 0, x \geq 0

Solve the inequality for each interval

x = - 5 or x = 5

∣ 7 z ∣ = z + 6

- 15 + ∣ - 3 + 2 x ∣ = 18

∣ q - 7 ∣ = 2

2 x + 3 = - 7

- 7 - 8 ∣ 8 x - 3 ∣ = 57

What is the answer to x^2-2|x|-15=0 ?
The answer to x^2-2|x|-15=0 is x=-5\lor x=5
Solve for x: x^2-2|x|-15=0
The solution is x=-5\lor x=5