ls3192099 ls3192099

09-06-2020
Mathematics

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Simplify the following polynomial expression.
3x(-2x + 7) - 5(x -1) (4x -3)

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laurentspencer319 laurentspencer319

09-06-2020

The simplest polynomial expression is

-26x^2+56x-15

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gilbertazavedo72 gilbertazavedo72

09-06-2020

Answer: -26x^2 + 56x -15

Step-by-step explanation:

3x(-2x + 7) - 5(x -1) (4x -3)

-6x^2 + 21x - (5x + 5)(4x-3)

-6x^2 + 21x -20x^2 +15x + 20x -15

= -26x^2 + 56x -15

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