Question 379025
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Hi,
Solve for x: ***
{{{x+4=4sqrt(x+1)}}}
{{{(x+4)/4=sqrt(x+1)}}}
{{{(x+4)^2/16=(x+1)/1}}}
cross mulitiplying to solve for s
(x+4)^2 = 16(x+1)
x^2 + 8x + 16 = 16x + 16
x^2 -8x = 0
x(x-8) = 0
x = 0
(x-8) = 0
x = 8
CHECKING our Answers:***
4 = 4
12 = 4*3 = 12