Answer:
x=1.666667,−1.666667
Step-by-step explanation:
9x^2−25=0
Step 1: Add 25 to both sides.
9x^2−25+25=0+25
9x^2=25
Step 2: Divide both sides by 9.
9x^2/9=259
x^2=25/9
Step 3: Take square root.
x=±25/9
