Sagot :
Answer:
18x³-165x²-55x+252
Step-by-step explanation:
V= l x w x h
= (6x+7)(3x-4)(x+9)
=18x²-24x+21x-28(x+9)
=(18x²-3x-28)(x+9)
=18x³-162x²-3x²-27x-28x+252
=18x³-165x²-55x+252
Answer:
18x³-165x²-55x+252
Step-by-step explanation:
V= l x w x h
= (6x+7)(3x-4)(x+9)
=18x²-24x+21x-28(x+9)
=(18x²-3x-28)(x+9)
=18x³-162x²-3x²-27x-28x+252
=18x³-165x²-55x+252