Answer:
It's not true = as you can see, the value of y is not the same, so the whole thing is false.
Explanation:
First, Solve for y:
(5 y + 3)^2 - 20 = 0
Add 20 to both sides:
(5 y + 3)^2 = 20
Take the square root of both sides:
5 y + 3 = 2 sqrt(5) or 5 y + 3 = -2 sqrt(5)
Subtract 3 from both sides:
5 y = 2 sqrt(5) - 3 or 5 y + 3 = -2 sqrt(5)
Divide both sides by 5:
y = 2/sqrt(5) - 3/5 or 5 y + 3 = -2 sqrt(5)
Subtract 3 from both sides:
y = 2/sqrt(5) - 3/5 or 5 y = -3 - 2 sqrt(5)
Divide both sides by 5:
Answer: y = 2/sqrt(5) - 3/5 or y = -3/5 - 2/sqrt(5)
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Solve for y:
(5 y - 3)^2 = 0
Take the square root of both sides:
5 y - 3 = 0
Add 3 to both sides:
5 y = 3
Divide both sides by 5:
Answer: y = 3/5