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Popular >

sqrt(4x+40)=x+7

Solution

4 x + 40 = x + 7

Solution

x = - 1

Solution steps

4 x + 40 = x + 7

Square both sides:

4 x + 40 = x^{2} + 14 x + 49

4 x + 40 = x^{2} + 14 x + 49

Solve

4 x + 40 = x^{2} + 14 x + 49 : x = - 1, x = - 9

x = - 1, x = - 9

Verify Solutions:

x = - 1

True

, x = - 9

False

The solution is

x = - 1

Popular Examples

73-n-116308sqrt(n)=0

73 - n - 116308 n = 0

sqrt(2x+8)-6=-4

2 x + 8 - 6 = - 4

sqrt(4x+5)=2x-5

4 x + 5 = 2 x - 5

sqrt(9w-15)=sqrt(5w-3)

9 w - 15 = 5 w - 3

(3x+6)/(2sqrt(x+3))=0

\frac{3 x + 6}{2 x + 3} = 0

Frequently Asked Questions (FAQ)

What is the answer to sqrt(4x+40)=x+7 ?
The answer to sqrt(4x+40)=x+7 is x=-1
Solve for x: sqrt(4x+40)=x+7
The solution is x=-1