48.5k views
1 vote
100 POINT QUESTION!!! Please help!

1. What is the product of 1/2x -1/4 and 5x^2 -2x + 6? Write your answer in standard form and show your work.

2. What is the product of -2x^3 + x -5 and x^3 – 3x -4? Write your answer in standard form and show your work.

2 Answers

2 votes

Answer: Quest 1 final result. (I looked all this up)

(2x -1) * (5x squared - 2x + 6)

_____________________.

4

I could not find the work for part two but I got the answer: x=3,7

User Jokeefe
by
3.8k points
3 votes

Answer:

1) 2.5x³-3.25x²+3.5x-1.5

2) -2x⁶+7x⁴+3x³-3x²+11x+20

Explanation:

1) (½x-¼)(5x²-2x+6)

2.5x³-x²+3x-2.25x²+0.5x-1.5

2.5x³-3.25x²+3.5x-1.5

2) (-2x³+x-5)(x³-3x-4)

-2x⁶+6x⁴+8x³+x⁴-3x²-4x-5x³+15x+20

-2x⁶+7x⁴+3x³-3x²+11x+20

User Themadmax
by
4.1k points