1) (b+7)²-100c² = (b + 7 - 10c) * (b + 7 + 10c)2) a⁴-(7b-a²)² = (a²- 7b + a²) * (a²+ 7b - a²) = 7b * (2a² - 7b)
Ответ:
Объяснение:
1.((b+7)-10c)*((b+7)-10c)
2.(a²-(7b-a²))*(a²+(7b-a²))
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Answers & Comments
1) (b+7)²-100c² = (b + 7 - 10c) * (b + 7 + 10c)
2) a⁴-(7b-a²)² = (a²- 7b + a²) * (a²+ 7b - a²) = 7b * (2a² - 7b)
Ответ:
Объяснение:
1.((b+7)-10c)*((b+7)-10c)
2.(a²-(7b-a²))*(a²+(7b-a²))