Question

Vx+15 = (x+3)
$\sqrt{x + 15 =} x + 3$
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Answer 1

$(x+15)=(x+3)^2$

$(x+15)=x^2+9+6x$

$x^2+5x-6=0$

$x^2+(6x-x)-6=0$

x(x+6)-(x+6)=0

(x+6)(x-6)=0✏️✏️✏️✏️✏️

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