a Solve the equation 4y 2 15 7y b Use your answer to part a to solve the equation 4(9 x ) 15 7(3 x ) ...

a To solve the equation 4y2 15 7y we can begin by isolating y2 on one sid ...

a. Solve the equation 4y 2 = 15 + 7y. b. Use your answer to part a

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a. Solve the equation 4y² = 15 + 7y.

b. Use your answer to part a to solve the equation 4(9^x) = 15 + 7(3^x).

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 23, 2021 01:31 AM

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a. Solve the equation 4y 2 = 15 + 7y. b. Use your answer to part a

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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