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B = 4 and c = -5, evaluate b 2 - c 2

User Josie
by
4.8k points

2 Answers

7 votes

Answer:

18

Explanation:

Putting those numbers in the equation, you get 4(2)-(-5)2.

Multiply it, giving us 8-(-10).

Then lastly simplify it.

8-(-10)

8+10

18

User Asaf Katz
by
5.1k points
3 votes

Hey!

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Steps To Solve:

~Substitute

(4)2 - (-5)2

~Multiply

8 - (-10)

~Subtract

18

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Answer:

18

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Hope This Helped! Good Luck!

User Igor Gonak
by
4.4k points