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Sauron [17]
3 years ago
15

ASAP Simplify both expressions pls. 1. 3y^2+3(6y^2-9) 2. 0.5(x^4-3)+11

Mathematics
1 answer:
mezya [45]3 years ago
7 0

Answer:

1.\ 21y^2-27

2.\ 0.5x^4+9.5

Step-by-step explanation:

Solving (1)

3y^2+3(6y^2-9)

Open bracket

3y^2+3*6y^2-3*9

3y^2+18y^2-27

Simplify like terms

21y^2-27

Solving (2)

0.5(x^4-3)+11

Open bracket

0.5*x^4-0.5*3+11

0.5x^4-1.5+11

Simplify like terms

0.5x^4+9.5

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