moalnamer
moalnamer moalnamer
  • 11-05-2018
  • Mathematics
contestada


Simplify the expression -2x^2(4x − 3).
-8x3 − 6x2
-8x3 + 6x2
8x3 − 6x2
8x3 + 6x2

Respuesta :

cerverusdante
cerverusdante cerverusdante
  • 11-05-2018
To simplify the expression we are going to use the distributive property of multiplication: [tex]a(b+c)=ab+ac[/tex].
We can infer from our problem that [tex]a=-2x^2[/tex], [tex]b=4x[/tex], and [tex]c=-3[/tex]. So lets apply the property to simplify our expression:
[tex]-2x^2(4x-3)=(-2x^2)(4x)+(-2x^2)(-3)[/tex]
[tex](-2x^2)(4x)+(-2x^2)(-3)=-8x^3+6x^2[/tex]

We can conclude that the correct answer is -8x3 + 6x2
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