Tigress40 Tigress40

21-04-2021
Mathematics

contestada

Solve (z + 6)2 = 5
{−6±5‾√}

{6±5‾√}

{5‾√±−6}

{−6+5‾√,6−5‾√}

Respuesta :

sqdancefan sqdancefan

21-04-2021

9514 1404 393

Answer:

(a) -6±√5

Step-by-step explanation:

(z +6)^2 = 5 . . . . . given

z +6 = ±√5 . . . . . take the square root

z = -6 ±√5 . . . . . . subtract 6

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