Answer:
x=0.8,−0.8
Explanation:
Step 1: Divide both sides by 25.
25x225=1625
x2=1625
Step 2: Take square root.
x=±1625
25x2 = 16
x^2 = 16/25
x^2 = 4^2/5^2
x = 4/5
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