Предмет: Алгебра, автор: nazsuhat

Выделите квадрат двучлена из квадратного трехчлена: 2x² + 16x + 25

Ответы

Автор ответа: berezkinataisiya

1

Ответ:

2(x+4)² -7

Объяснение:
2x² + 16x + 25 = 2(x² +8x) +25 =2(x² +2*x*4 +4² -4²) + 25 =2(x+4)²-2*4²+25 = 2(x+4)² -7 .

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