Ответ:
1) = (x-14)(x+8)
2) = (5x)² - 2 * 5x *1 +1² = (5x - 1)²
3) = (8m)² + 2 * 8m * y +y² = (8m + y) ²
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Ответ:
1) = (x-14)(x+8)
2) = (5x)² - 2 * 5x *1 +1² = (5x - 1)²
3) = (8m)² + 2 * 8m * y +y² = (8m + y) ²