3 years ago

Please help my grade is a 68 i need a 70 at least

Mathematics

1 answer:

aleksklad [387]3 years ago

8 0

Answer:

10s²-6s+9

Step-by-step explanation:

C = -3 + 5s²

B = -2s + 5

2(-3 + 5s²) = -6 + 10s²

3(-2s + 5) = -6s + 15

10s² - 6s + 9

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