yummyGggg yummyGggg
  • 04-08-2017
  • Mathematics
contestada

What is the correct expansion of (3x-2)(2x^2+5)

Respuesta :

jessla314
jessla314 jessla314
  • 04-08-2017
3x*2x^2=6x^3
3x*5=15x
-2*2x^2=-4x^2
-2*5=-10
6x^3+15x-4x^2-10=
6x^3-4x^2+15x-10
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 04-08-2017
foil or whatever
just multiply

remember
(a-b)(c+d)=ac-bc+ad-bd
and
[tex](ax^m)(bx^n)=(a)(x^m)(b)(x^n)=abx^{m+n}[/tex]

so

(3x-2)(2x²+5)=
(3x)(2x²)+(-2)(2x²)+(3x)(5)+(-2)(5)=
6x³-4x²+15x-10
Answer Link

Otras preguntas

Width:____feet Height_____feet
Which expression is equivalent to this equation attached? Please help! I will make brainliest
How many molecules make up 32 g of Oz?
10 Cecelia took 40 minutes to complete a journey. She travelled half the distance at a speed of 100 km/h and the other half at 60 km/h. How far was her journey?
Gabe's math class starts at 12:15 P.M. and lasts for 1 hour and 30 minutes. After math class, Gabe has recess for 15 minutes. What time does Gabe's recess end?
What similarity does the official between Campion right in the final paragraph
You wake up at the apartments, walk out of the apartments and are held up at gunpoint by someone you don't know, what do you do?
answet please and please show work
Find the vertex of this parabola: y = -x2 - 4x - 2
draw a smiling face if you consider it as aeustress and sad face if it cause distress 1. choosing a gift for a friend