What is the solution of \sqrt{ {x}^(2) + 49 = x + 5

asked Mar 10, 2021 76.6k views

3 votes

What is the solution of

$\sqrt{ {x}^(2) + 49 = x + 5$

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4 votes

Answer:

x = 2.4

Explanation:

We assume you intend ...

$√(x^2+49)=x+5\\\\x^2+49=x^2+10x+25\qquad\text{square both sides}\\\\24=10x\qquad\text{subtract $x^2+25$}\\\\\boxed{2.4=x}\qquad\text{divide by 10}$

Kaushik Roy answered Mar 15, 2021

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