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Popular >

2x=sqrt(4x+15)

Solution

2 x = 4 x + 15

Solution

x = \frac{5}{2}

+1

Decimal Notation

x = 2.5

Solution steps

2 x = 4 x + 15

Square both sides:

4 x^{2} = 4 x + 15

4 x^{2} = 4 x + 15

Solve

4 x^{2} = 4 x + 15 : x = \frac{5}{2}, x = - \frac{3}{2}

x = \frac{5}{2}, x = - \frac{3}{2}

Verify Solutions:

x = \frac{5}{2}

True

, x = - \frac{3}{2}

False

The solution is

x = \frac{5}{2}

Popular Examples

x + 2 + x = 10

solvefor Q,T=sqrt(hd-2Q)solve for

Q, T = h d - 2 Q

solvefor x,f(x-3)=sqrt(x-3)solve for

x, f (x - 3) = x - 3

Frequently Asked Questions (FAQ)

What is the answer to 2x=sqrt(4x+15) ?
The answer to 2x=sqrt(4x+15) is x= 5/2
Solve for x: 2x=sqrt(4x+15)
The solution is x= 5/2