The given expression is : -75 = y³ + 50
To simplify the expression for y :
Subtract 50 on both side :
-75 - 50 = y³ + 50 - 50
-125 = y³
y³ = -125
(-5 ) x ( -5) x ( -5) = 125
y³ = (-5)³
y = - 5
Answer : y = -5
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