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3 years ago

11

18s^2+2g-12+15g-9s^2

1 answer:

algol133 years ago

4 0

Answer:

9s^2 + 17g - 12

Explanation:

(basically combine like terms)

the s^2 are like terms, so that would get you 18s^2 - 9s^2 = 9s^2

then the g’s are like terms,
15g + 2g = 17g

then the -12 is all on its own

if you put it all together:

9s^2 + 17g - 12

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Read 2 more answers