3 years ago

(3x^3-2x^2+7)(x^3+2x) using foil method

1 answer:

4 0

Answer:

x(8x-5-13x³+2x²)

Step-by-step explanation:

(3x²-5x-7x^4)-(-2x³+6x^4-5x²)

(x(3x-5-7x³))+2x³-6x^4+5x²

x(3x-5-7x³)+2x³-6x^4+5x²

x(3x-5-7x³+2x²-6x³+5x)

x(8x-5-13x³+2x²)

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nirvana33 [79]

La repuesta es 50m de de altura

7 0

2 years ago

ioda

YESSSS IT ISSSS CORRECTTT!!!!❤️❤️

3 0

3 years ago

Nikitich [7]

18+5= n
n= 23
D. 23
15+5=20 so u just gotta add 5 to 18

5 0

2 years ago

Angelina_Jolie [31]

$8x-2(4+3x) =0\\ 8x-8-6x=0 \\ 2x-8=0 \\ 2x=8 \\ x=4$

6 0

3 years ago

Aleksandr-060686 [28]

Answer:L=4 W=15

Step-by-step explanation:

P=2L+2W

38-8=30

If length is 8 less than twice the width and the perimeter is 38, then subtract 38-8 which is 30, then divide 30 by 2 to get 15.

P=2(4) +2(15)

P=38

7 0

2 years ago