kaylynmassey kaylynmassey

21-01-2022
Mathematics

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Solve the equation:[tex]\sqrt{} x^{2} + 4 - 1 = 2[/tex]

Solve the equationtexsqrt x2 4 1 2tex class=

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fieryanswererft fieryanswererft

21-01-2022

Answer:

D) x = √5

Step-by-step explanation:

[tex]\sqrt{x^{2}+4 }-1 = 2[/tex]

[tex]\sqrt{x^{2}+4 } = 3[/tex]

[tex]x^{2}+4 = 3^{2} [/tex]

[tex]x^{2}+4 = 9[/tex]

[tex]x^{2} = 9 -4 [/tex]

[tex]+x = \sqrt{5} , -x = \sqrt{5}[/tex]

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