Express (x + 2)² + 9 = 0 in standard form

asked Nov 20, 2022 101k views

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Answer:

x^2+4x+13=0

Explanation:

I'm 100% certain this is right. Have a good day/night wherever you are! :D

Eric Bloch answered Nov 21, 2022

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Formula = (a + b)^2 = a^2 + 2ab + b^2

x^2 + 4x + 4 + 9 = 0
x^2 + 4x + 13 = 0

Cactuschibre answered Nov 24, 2022

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