3 years ago

Please help me someone!!!

1 answer:

5 0

(3 + x^3 + 3x^2)+(2x^3 −2 −4x^2)
= 3 + x^3 + 3x^2+ 2x^3 −2 −4x^2
= 3x^3 - x^2 + 1

answer
3x^3 - x^2 + 1 in standard form

hope it helps

You might be interested in

ryzh [129]

Answer:

the expressions are not equivalent

Step-by-step explanation:

7(x+2y) (distribute 7 into the parentheses)

= x(7) + 2y(7)

= (7x + 14y) ≠ (14x + 14y)

hence the expressions are not equivalent

8 0

3 years ago

Vlada [557]

Answer:

I believe it's "D" 13.1

Step-by-step explanation:

3 0

3 years ago

Aliun [14]

Uhh, these give me a headache, I think number 2 is array..

7 0

3 years ago

nalin [4]

Answer:

1) 160 (less than or equal to) 42+65+x OR 53

2) 2000 (greater than or equal to) 637+x OR $1363

3) 1st piece: 5ft

2nd piece: 10ft

3rd piece: 6ft

Step-by-step explanation:

1) You must reach at least 160 blankets. Some have already been added, so just add the total to "x"

2) Your brother already spent $637 of 2000 dollars.

3 0

3 years ago

eimsori [14]

Answer: -72a^3 +108a^2
Collect like terms
(2a)(6a)(2a-8a+9)= (2a)(6a)(-6a+9)=12a^2(-6a+9)
= -72a^3 +108a^2

3 0

3 years ago