Sagot :
8(x + 3) (4x - 5)(3 - 12x) + 7(5 - 9x)(x + 3)(4x - 5)
= (x + 3) x (4x - 5)x (8(3 - 12x) + 7(5 - 9x))
= (x + 3) x (4x - 5)x (24 -96x + 35 -63x)
= (x + 3) x (4x - 5)x (59 - 159x)
SOLUTION :
(x + 3) x (4x - 5)x (59 - 159x)
Voilà :)
= (x + 3) x (4x - 5)x (8(3 - 12x) + 7(5 - 9x))
= (x + 3) x (4x - 5)x (24 -96x + 35 -63x)
= (x + 3) x (4x - 5)x (59 - 159x)
SOLUTION :
(x + 3) x (4x - 5)x (59 - 159x)
Voilà :)