5. Simplify (7x2+ 8) - (x2 - 2)

asked Mar 11, 2022 87.8k views

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5. Simplify
(7x2+ 8) - (x2 - 2)

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Answer:

$(7 * 2 + 8) - ( {x}^(2) - 2) \\ (14 + 8) - ( {x}^(2) - 2) \\ 14 + 8 - {x}^(2) + 2 \\ 22 + {x}^(2) + 2 \\ 24 + {x}^(2)$

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Zaratustra answered Mar 16, 2022

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