Question

sqrt x+20-x=0 being x+20 is all that is under the root.

Answer 1

\[\sqrt{x+20} - x =0\]

Answer 2

\[\sqrt{x+20} = x\]

Answer 3

sqrtx+20=X
square both sides x+20=x^2
(x-5)(x+4)

Answer 4

harkirat has the equation correct

Answer 5

square both sides
x + 20 = x^2
so u get quadratic equation
x^2 - x - 20 = 0

now factorise it and get the two roots/values of x

Answer 6

accordingly x=5,x=-4

Answer 7

The first equation harkitar has is right

Answer 8

x^2 - 5x + 4x - 20 = 0
x(x -5) +4(x -5) = 0
(x+4)(x-5) = 0

so x = -4 , 5

Answer 9

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