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

A.

14x^2-14x+15

B.

-26x^2+21x-15

C.

-26x^2+56x-15

D.

-2x^2+14x-2

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Expanded form for #2937082

Which of he following is proved by utilizing deductive reasoning? postulates undefined terms theorems definitions

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