alyson05 alyson05

25-02-2020
Mathematics

contestada

Simplify: (3x - 5)(x2 + 6).
A) -2x² + 18x - 30
B) -X2 + 18x - 30
C) 3x2 + 13x - 30
D)3x3 - 5x2 - 18x - 30

Respuesta :

ogundeji87 ogundeji87

25-02-2020

Answer:

D

Step-by-step explanation:

(3x - 5)([tex]x^{2}[/tex]+6)

multiply both sides

[tex]3x^{3}[/tex] + 18x - [tex]5x^{2}[/tex] - 30

collect like terms

[tex]3x^{3}[/tex] - [tex]5x^{2}[/tex] + 18x + 30

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