Respuesta :

CheshireKat55

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


jerome70
My answer is like this
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