julianaalvarez126 julianaalvarez126

23-10-2019
Mathematics

contestada

( please help me)
Multiply the polynomials
(2x2 + 5x + 5)(4x -3)

A. 8x3 + 14x2 - 5x + 15
B. 8x3 + 14x2 - 15x - 15
C. 8x3 + 14x2 + 5x + 15
D. 8x3 + 14x2 + 5x -15

Respuesta :

GarrettFish GarrettFish

23-10-2019

Answer:

D

Step-by-step explanation:

Use the distributive property.

8x3 + 20x2 + 20x for 4x's distribution.

-6x2 - 15x - 15 for -3's distribution.

Add these together, and add/subtract like terms. You're left with 8x3 + 14x2 + 5x - 15.

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