What is the answer to sqrt(x+21)-sqrt(x+14)=1 ?

The answer to sqrt(x+21)-sqrt(x+14)=1 is x=-5

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sqrt(x+21)-sqrt(x+14)=1

x + 21 - x + 14 = 1

x = - 5

Solution steps

x + 21 - x + 14 = 1

Remove square roots

36 = 4 x + 56

Solve

36 = 4 x + 56 : x = - 5

x = - 5

Verify Solutions:

x = - 5

True

The solution is

x = - 5

x + 4 = 9

a^{2} + \frac{a ^{2}}{4} = 1

x + 4 = 6

y, y^{\frac{1}{3}} = x

x - 11 - 6 = 0

What is the answer to sqrt(x+21)-sqrt(x+14)=1 ?
The answer to sqrt(x+21)-sqrt(x+14)=1 is x=-5
Solve for x: sqrt(x+21)-sqrt(x+14)=1
The solution is x=-5