the3romines the3romines

29-03-2019
Mathematics

contestada

Find the product of x^2+2x-4 and 3x.

a. 3x^3+6x^2+12x

b. 3x^3+6x^2-12x

c. 3x^3+2x-4

d. -3x^3

Respuesta :

Аноним Аноним

29-03-2019

[tex] 3x({x}^{2} + 2x - 4)[/tex]

[tex]3x \times {x}^{2} = {3x}^{3} [/tex]

[tex]3x \times 2x = 6 {x}^{2} [/tex]

[tex]3x \times - 4 = - 12x[/tex]

[tex]b. \: 3 {x}^{3} + 6 {x}^{2} - 12x[/tex]

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