Question

2
Select the correct answer.
What is the solution to the equation?
3+√3x5 = x
O A.
-2 and -7
OB.
2 and 7
O C.
-2
OD. 7

Answer 1

The solution to the equation is x = 7 , -2 , Option C and D is the right answer.

What is an Equation ?

An equation is a mathematical statement formed when two algebraic expression are equated by an equal sign.

It is given that the equation is

$\rm 3 +\sqrt{3x - 5}= x$

Taking square on both sides

3x-5 = (x-3)²

3x-5 = x² +9 -6x

x² -9x -14 = 0

x² -7x +2x -14 = 0

x(x-7) +2(x-7) = 0

(x-7)(x+2) = 0

x =7 , x = -2

Therefore the solution to the equation is x = 7 , -2 , Option C and D is the right answer.

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