Solve the equation for x. X2 + 10x + 16 = 0 O A. -8,-2 OB. 8,2 OC.-4 OD. 4

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asked Jul 17, 2022 107k views

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Solve the equation for x. X2 + 10x + 16 = 0 O A. -8,-2 OB. 8,2 OC.-4 OD. 4

Mathematics
college

David Nouls asked

by David Nouls

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Explanation:

${x}^(2) + 10x + 16 = 0 \\ factors : 2 \: and \: 8 \\ = > {x}^(2) + 2x + 8x + 16 = 0 \\ x(x + 2) + 8(x + 2) = 0 \\ (x + 8)(x + 2) = 0 \\ hence \\ x = - 8 \: and \: - 2 \\ = > A. -8,-2$

Brian Wright answered Jul 23, 2022

by Brian Wright

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