Question

Resolver está ecuación 2(√x+1)+8=20

Answer 1

25

Explicación paso a paso:

$2( \sqrt{x} + 1) + 8 = 20 \\ 2 \sqrt{x} + 2 + 8 = 20 \\ 2 \sqrt{x} + 10 = 20 \\ 2 \sqrt{x} = 20 - 10 \\ 2 \sqrt{x} = 10 \\ \sqrt{x} = 10 \div 2 \\ \sqrt{x} = 5 \\ x = 5^{2} \\ x = 25$