idontlikemathsoimhr idontlikemathsoimhr

24-02-2021
Mathematics

contestada

If B = 1 - 2s^2 – s and C = 3 + 5s², find an expression that equals 3B + C in
standard form.

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Podetola Podetola

24-02-2021

Answer: -s² - 3s + 6

Step-by-step explanation:

b = 1 - 2s² - s

c = 3 + 5s²

Substitute

3b + c

3 (1 - 2s² - s) + 3 + 5s²

3 - 6s² - 3s + 3 + 5s²

Put like terms together

-6s² + 5s² - 3s + 3 + 3

-s² - 3s + 6

Hope I helped!

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