Respuesta :
Answer:
Step-by-step explanation
ok so what you are going to do with 3(x+4)(x-5) is multiply the 3*x, 3*4
which makes (3x+12)(3x-15)
combine like terms which gives you 6x = -15+12=-3
6x=-3 then -3/6 reduce it makes -1/2
Answer:
Step-by-step explanation
ok so what you are going to do with 3(x+4)(x-5) is multiply the 3*x, 3*4
which makes (3x+12)(3x-15)
combine like terms which gives you 6x = -15+12=-3
6x=-3 then -3/6 reduce it makes -1/2