Solve x2 + 11x + 30 = 0

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Sheshkovsky asked Jan 6, 2022

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4 votes

Solve
x2 + 11x + 30 = 0

Mathematics
high-school

Sheshkovsky asked Jan 6, 2022

by Sheshkovsky

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1 Answer

16 votes

Answer:

x = - 5, - 6

Explanation:

x^2 + 11x + 30 = 0

x^2 + 5x + 6x + 30 = 0

x ( x + 5 ) + 6 ( x + 5 ) = 0

( x + 6 ) ( x + 5 ) = 0

x + 6 = 0

x = - 6

x + 5 = 0

x = - 5

Carlo Mendoza answered Jan 10, 2022

by Carlo Mendoza

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