Question

Under root x (x-7)=3 under root 2

Answer 1

Answer:

√x(x-7)=3√2

Therefore by making squaring on both sides..

x(x-7)=(3√2)^2

x^2-7x=18

x^2-7x-18=0

Factorising this equation we get...

(x+2)(x-9)=0

Which implies that x can be equal to -2 or 9

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Answer 2

Answer:

-2 is the answer of the question