How do you solve $(7x+5)^2=10$ ?

Question

1779 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-20T08:11:36

$color(indigo)(x = (-5 +- sqrt10) / 7$

$(7x + 5)^2 = 10$

$(7x + 5)^2 =(sqrt10)^2$

$7x + 5 = +- sqrt10$

$7x = -5 +- sqrt10$

$color(indigo)(x = (-5 +- sqrt10) / 7$

How do you solve (7x+5)^2=10(7x+5)^2=10?