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12-05-2019
Mathematics

contestada

Which expression is equivalent to

(x^2 + 2x + 3) (x-4)?

Respuesta :

mxooncity mxooncity

12-05-2019

Answer:

x^3−2x^2−5x−12

Step-by-step explanation:

(x2+2x+3)(x−4)

= (x^2+2x+3)(x+−4)

=(x^2)(x)+(x^2)(−4)+(2x)(x)+(2x)(−4)+(3)(x)+(3)(−4)

=x^3−4x^2+2x^2−8x+3x−12

=x^3−2x^2−5x−12

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