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Anna71 [15]
3 years ago
7

Part 9: I need help. please help me​

Mathematics
1 answer:
Trava [24]3 years ago
3 0

Answer:   A) a² = b² - w² + 2wx

<u>Step-by-step explanation:</u>

b² - (w - x)² = a² - x²

b² - (w² - 2wx + x²) = a² - x²

b² - w² + 2wx - x² = a² - x²

b² - w² + 2wx       = a²

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<h3>What is a mathematical expression ?</h3>

In mathematics, an expression or mathematical expression is a finite combination of symbols well formed according to context-dependent rules. Mathematical symbols can be used to define numbers (constants), variables, operators, functions, parentheses, punctuation marks, and groupings that help define the order of operations and other aspects of logical syntax.

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