sarbercb66 sarbercb66

05-03-2021
Mathematics

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what's the first step of solving -x^2-4x+16=0 ??? NOW!

Respuesta :

06-03-2021

Answer:

Step-by-step explanation:

Use the Quadratic Formula.

-x² - 4x + 16 = 0

x = [4±√(4²-4(-1)(16)]/[2(-1)] = [4±√80]/(-2) = [4±4√5]/(-2) = -2±2√5

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