Question

WILL GIVE MEDAL!!!!!!!!

Simplify (3x2 - 3 + 9x3) - (4x3 - 2x2 + 16).

x3 - 5x2 + 25

-x3 + x2 - 25

5x3 + x2 + 13

5x3 + 5x2 - 19

Answer 1

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Answer 2

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Answer 3

Combine powers and like terms.

Answer 4

i'm sorry but i just need it answered please i got a few question i dont get and i need them done fast

Answer 5

Factor \(2\) out of \(4 x^3-2 x^2+16:\)
\(3 x^2-3+9 x^3-2 (2 x^3-x^2+8)\)
\(-2 (2 x^3-x^2+8) = -4 x^3+2 x^2-16:\)
\(-4 x^3+2 x^2-16+9 x^3+3 x^2-3\)
Grouping like terms, \(9 x^3-4 x^3+3 x^2+2 x^2-16-3 = (9 x^3-4 x^3)+(3 x^2+2 x^2)+(-3-16):\)
\((9 x^3-4 x^3)+(3 x^2+2 x^2)+(-3-16)\)
\(9 x^3-4 x^3 = 5 x^3:\)
\(5 x^3+(3 x^2+2 x^2)+(-3-16)\)
\(3 x^2+2 x^2 = 5 x^2:\)
\(5 x^3+5 x^2+(-3-16)\)
\(-3-16 = -19:\)

Answer 6

Which leaves you with...?

Answer 7

dude, i'm sorry but i got no clue

Answer 8

Read the explanation thoroughly, then tell me the answer.

Answer 9

A? idk

Answer 10

(3x2 - 3 + 9x3) - (4x3 - 2x2 + 16 )
remove parentheses (distribute negative if necessary)
= 3x2 - 3 + 9x3 - 4x3 + 2x2 - 16
= 5x^3 + 5x^2 - 19

Answer 11

(3x2 - 3 + 9x3) - (4x3 - 2x2 + 16 )
First remove parentheses (distribute negative on second parenthetic expression)
= 3x2 - 3 + 9x3 - 4x3 + 2x2 - 16
Now collect like terms
= 5x^3 + 5x^2 - 19