A) (3x-3)(4x-3) + (4x+5)(-3x+8) = 0
B) (-4x+3)(4x-5) + (-4x+3)(-4x+8) = 0
C) (-3x+2)(4x-4) + (-3x+5)(-3x+6) + 3x^2 = 0
D) (-2x+7)(5x-3) + (-4x+x)(-3x+3) – 2x^2 = 0
A) (3x-3)(4x-3) + (4x+5)(-3x+8) = 0
B) (-4x+3)(4x-5) + (-4x+3)(-4x+8) = 0
C) (-3x+2)(4x-4) + (-3x+5)(-3x+6) + 3x^2 = 0
D) (-2x+7)(5x-3) + (-4x+x)(-3x+3) – 2x^2 = 0
A) (3x-3)(4x-3) + (4x+5)(-3x+8) = 0
12x²-9x-12x+9-12x²+32x-15x+40=0
-4x+49 = 0
-4x = -49
x = 49/4
B) (-4x+3)(4x-5) + (-4x+3)(-4x+8) = 0
(-4x+3).(4x-5+-4x+8) =0
(-4x+3). 3 =0
-4x+3 =0
-4x =-3
x = 3/4
C) (-3x+2)(4x-4) + (-3x+5)(-3x+6) + 3x^2 = 0
-12x²-12x+8x-8+9x²-18x-15x+30+3x² =0
-37x+22 =0
-37x = -22
x = 22/37
D) (-2x+7)(5x-3) + (-4x+x)(-3x+3) – 2x^2 = 0
-10x²+6x+35x-21+12x²-12x-3x²+3x -2x² =0
32x-21 =0
32x =21
x = 21/32