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Usimov [2.4K]
3 years ago
11

Solve the proportion 7/5=21/x

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0

Answer:

=15

Step-by-step explanation:

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Factorise 16x2 + 4y2 + 9z2 – 16xy + 12yz – 24zx using standard algebraic identities.​
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Step-by-step explanation:

16x2 + 4y2 + 9z2 – 16xy + 12yz – 24zx

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Help me with this question
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3m/s

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Your welcome

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