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Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.
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Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.

User Linek
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2 Answers

3 votes

Answer:

4

Explanation:

a^2=2^2=4

2b=2(-2)=-4

----------------

4(4+(-4))-2(-2)

4(4-4)+4

4(0)+4

0+4

4

User Yonah
by
4.5k points
2 votes

Answer: 4

Look at attachment

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.-example-1
User AlexR
by
4.5k points
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