Question

7x^2=63

solve for x
please show work

Answer 1

x = ±3

Explanation:

Step 1: Write equation

7x² = 63

Step 2: Solve for x

1. Divide both sides by 7: x² = 9
2. Square root both sides: x = ±3

Step 3: Check

Plug in x to verify it's a solution.

7(3)² = 63

7(9) = 63

63 = 63

7(-3)² = 63

7(9) = 63

63 = 63