Question

7(x 2)=63 divided by bith sides by 7

Answer 1

Answer:

x=3, -3

Step-by-step explanation:

Divide each term in 7x^2=63 by 7 and simplify.

x^2=9

Take the specified root of both sides of the equation to eliminate the exponent on the left side.

x=±√9

Simplify ±√9.

x=±3

The complete solution is the result of both the positive and negative portions of the solution.