A = (x + 3)(2x - 3) - (2x - 3)²
A= (2x² - 3x + 6x - 9) - (4x² - 2*2x*3 + 3²)
A = (2x²- 3x - 9) - ( 4x² -12x + 9)
A = 2x² - 3x - 9 - 4x² + 12x - 9
A = - 2x² + 9x - 18
B = (3x - 2)² + 6 (3x - 2)
B = (9x² - 2*3x*2 + 2²) + 18x - 12
B= 9x² - 12x + 4 + 18x - 12
B = 9x² + 6x - 8
C= (x - 3) + (x - 3)(2x + 5)
C = x - 3 + (2x² + 5x - 6x - 15)
C = x - 3 + 2x² - x - 15
C = 2x² - 18
D = (x + 3) (2x - 3) - (2x - 3)²
D = (x + 3) ( 2x - 3) - (2x - 3)(2x - 3)
D= (2x - 3) [(x + 3) -(2x - 3)]
D= (2x - 3) (x + 3 - 2x + 3)
D = (2x - 3) (-x + 6)
E = (3x - 2)² + 6 (3x - 2)
E = (3x - 2)(3x - 2) + 6 (3x - 2)
E = (3x - 2) [(3x - 2) + 6]
E = (3x - 2) (3x + 4)
F = (x - 3)² - ( 3 - x)(2x + 5)
F = (x - 3)(x - 3) + (x - 3) (2x +5)
F= (x - 3) [(x - 3) + (2x + 5)]
F = (x - 3) [ x - 3 + 2x + 5]
F = (x - 3) (3x + 2)