1. x^2 + 5 = 20
Subtract 5 from both sides: x^2 = 15
Take the square root of both sides: x = ±√15
2. m^3/3 - 2 = 22
Add 2 to both sides: m^3/3 = 24
Multiply both sides by 3: m^3 = 72
Take the cube root of both sides: m = ∛72 = 4.16
Solve the equations with exponents.
x^2 + 5 = 20
m^3/3 - 2 = 22
1 answer