Question

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Answer 1

your answer is D

Answer 2

-
`3x^(2)` - 40x - 100

Explanation:

f (x ) . g ( x )

( 3x - 10 ) ( 10 - x )

30x -
`3x^(2)` - 100 + 10x

Simplify the like terms.

40x - 100 -
`3x^(2)`

= -
`3x^(2)` - 40x - 100