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2(b+c)²-3(b-c)² if b=8 and c=-4
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4 votes
2(b+c)²-3(b-c)² if b=8 and c=-4

User Oleksandr Kovpashko
by
3.1k points

2 Answers

5 votes

Answer:

- 400

Explanation:

substitute the given values into the expression

2(b + c)² - 3(b - c)²

= 2(8 + (- 4))² - 3(8 - (- 4))²

= 2(8 - 4)² - 3(8 + 4)²

= 2(4)² - 3(12)²

= 2(16) - 3(144)

= 32 - 432

= - 400

User KumarM
by
3.7k points
7 votes

Answer:

-400

Explanation:

User Clare Liguori
by
4.2k points
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