Respuesta :
Answer:
3x²+8x-35
Step-by-step explanation:
FOIL stands for:
First -> (3x-7)(x+5)
Outer -> (3x-7)(x+5)
Inner -> (3x-7)(x+5)
Last -> (3x-7)(x+5)
Following FOIL, we get:
(3x-7)(x+5)
(3x)(x)+(3x)(5)+(-7)(x)+(-7)(5)
3x²+15x-7x-35
3x²+8x-35
Therefore, the expanded form is 3x²+8x-35