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Find the value of x in the equation 2√ x + 20 = 15 + 3√ x . A. 1 B. 25 C. 16 D. –5
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Find the value of x in the equation 2√ x + 20 = 15 + 3√ x . A. 1 B. 25 C. 16 D. –5

User Jeffshantz
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\text{The domain:}\\D:x\geq0\\\\2√(x)+20=15+3√(x)\ \ \ |-20\\\\2√(x)=-5+3√(x)\ \ \ \ |-3√(x)\\\\-√(x)=-5\ \ \ |\text{change the signs}\\\\√(x)=5\ \ \ |\text{square both side}\\\\x=25


Answer: B. 25

User Seawolf
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