Question

5x^2+1=51

Answer 1

subtract \(1\) get
\[5x^2=50\] divide by \(5\) get \(x^2=10\) is a start

Answer 2

finish by taking the square root, don't forget the \(\pm\)

Answer 3

so,
5x^2=50
5x^2/5=50/5
x^2=10
√x^2=√10
x=+√10 and -√10
@satellite73

Answer 4

yes

Answer 5

much clearer thanks again!

Answer 6

well to be real picky it should be
\[x=\sqrt{10}\] OR
\[x=-\sqrt{10}\]

Answer 7

yw