luckerarielArielll
luckerarielArielll luckerarielArielll
  • 01-01-2017
  • Mathematics
contestada

In standard form: (x+5)(3x-1)-(x-4)^2

Respuesta :

Аноним Аноним
  • 01-01-2017
I hope this helps you



x.3x+x.(-1)+5.3x+5.(-1)-(x^2-2.4.x+16)


3x^2-x+15x-5-x^2+8x-16


2x^2+22x-21
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 01-01-2017
basically, expand
expand them seperately to reduce confusion
exponent first
(x-4)^2=(x-4)(x-4)=x²-4x-4x+16=x²-8x+16

(x+5)(3x-1)=3x²+15x-x-5=3x²+14x-5

3x²+14x-5-(x²-8x+16)
3x²+14x-5-x²+8x-16
3x²-x²+14x+8x-5-16
2x²+22x-21

answer is
2x²+22x-21
Answer Link

Otras preguntas

How could the acquisition of alaska contribute to U.S trade with japan
difference between archaegonia and anthredia
Coin and paper money is called: A. currency B. temporary money C. the dollar D. commodity money
When we communicate through body movement, we use (Points : 1) kinesics. chronemics. verbal communication. artifacts.
Focus on the Family was founded by this evangelical Christian in 1978.
what are names of people that famous painters?
How many miles around is the earth??
Help please.Check pic. I need this answered for 2morrow.
what 2 states border new york
A small business employs 7 women and 3 men. The manager randomly selects 3 of them to be on a team. What is the probability that all 3 are women?