4 * (2x - 3)² - (x + 2)²
4(4x² - 12x + 9) - (x + 2)²
4(4x ² - 12x + 9) - (x² + 4x + 4)
16x² - 48x + 36 - (x² + 4x + 4)
16x² - 48x + 36 - x² - 4x - 4
15x² - 48x + 36 - 4x - 4
15x² - 52x + 36 - 4
15x² - 52x + 32
(3x – 8) (5x - 4)
3x * 5x - 3x * 4 - 8 * 5x - 8(- 4)
15x² - 12x - 40x + 32
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4 * (2x - 3)² - (x + 2)²
4(4x² - 12x + 9) - (x + 2)²
4(4x ² - 12x + 9) - (x² + 4x + 4)
16x² - 48x + 36 - (x² + 4x + 4)
16x² - 48x + 36 - x² - 4x - 4
15x² - 48x + 36 - 4x - 4
15x² - 52x + 36 - 4
15x² - 52x + 32
(3x – 8) (5x - 4)
3x * 5x - 3x * 4 - 8 * 5x - 8(- 4)
15x² - 12x - 40x + 32
15x² - 52x + 32