1) 6m² - 6n² = 6(m² - n²) = 6(m - n)(m + n)
2)5x² - 45 = 5(x² - 9) = 5(x - 3)(x + 3)
3)5m² - 10mn +5n² = 5(m² - 2mn + n²) = 5(m - n)²
4)12a² + 36ab +27b² = 3(4a² - 12ab + 9b²) = 3(2a - 3b)²
5)16x³ + 54y³ = 2(2x + 3y)(4x² - 6xy + 9y²)
6)7+7b³ = 7(1 + b)(1 - b + b²)
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1) 6m² - 6n² = 6(m² - n²) = 6(m - n)(m + n)
2)5x² - 45 = 5(x² - 9) = 5(x - 3)(x + 3)
3)5m² - 10mn +5n² = 5(m² - 2mn + n²) = 5(m - n)²
4)12a² + 36ab +27b² = 3(4a² - 12ab + 9b²) = 3(2a - 3b)²
5)16x³ + 54y³ = 2(2x + 3y)(4x² - 6xy + 9y²)
6)7+7b³ = 7(1 + b)(1 - b + b²)