Answer:
x=1.666667,−1.666667
Step-by-step explanation:
9x^2−25=0
<u><em>Step 1: Add 25 to both sides.</em></u>
9x^2−25+25=0+25
9x^2=25
<em><u>Step 2: Divide both sides by 9.</u></em>
9x^2/9=259
x^2=25/9
<em><u>Step 3: Take square root.</u></em>
x=±25/9
Answer: I think the answer is two pounds
b I think