slt
A) 9x² - 30x + 25 = (3x - 5)²
B) 36 - 16x² = 6² - (4x)² = (6+4x) (6-4x)
C) 4 + 40x + 100x² = 100x² + 40x + 4 = (10x+2)²
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slt
A) 9x² - 30x + 25 = (3x - 5)²
B) 36 - 16x² = 6² - (4x)² = (6+4x) (6-4x)
C) 4 + 40x + 100x² = 100x² + 40x + 4 = (10x+2)²