Question

$\sqrt{2x + 1} = x - 3$
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Answer 1

Answer:

x=4

Step-by-step explanation:

sqrt(2x+1)= x-3

squaring on both sides we get

2x+1=(x-3)^2

2x+1= x^2-6x+9

x^2-8x+8=0

x^2-4x-4x+8=0

x(x-4)-4(x-4)=0

(x-4)(x-4)=0

x=4