Question

11 = -4x² - x² (Quadratic equation)​

Answer 1

Answer:

x = √11/5

Step-by-step explanation:

x² + 4x² - 11 = 0

5x² = 11

x² = 11/5

x = √11/5

Answer 2

Step-by-step explanation:

11= -5x^4

x=625/11

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