maleeka5 maleeka5

13-08-2019
Mathematics

contestada

which represents the solution(s) of the equation x^2=49

Respuesta :

jimrgrant1 jimrgrant1

13-08-2019

Answer:

x = ± 7

Step-by-step explanation:

Given

x² = 49 ( take the square root of both sides )

[tex]\sqrt{x^2}[/tex] = ± [tex]\sqrt{49}[/tex] ← note plus or minus

x = ± 7

Since 7 × 7 = 49 and - 7 × - 7 = 49

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