Find all solutions of the equation

Mathematics
Tutor: None Selected Time limit: 1 Day

Find all solutions of the equation. Check your solutions in the original equation. (Enter your answers as a comma-separated list.)

4x3 + 40x2 + 100x = 0
Mar 8th, 2015

4x( x^2 + 10x + 25) = 0

4x = 0        OR              x^2 + 10x + 25 = 0

x = 0                               (x+5) (x+5) = 0

x = 0                                x = -5

The two solutions are 0, -5

Mar 8th, 2015

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