auntie auntie
  • 08-11-2014
  • Mathematics
contestada

x^2 - 4x + 3 how do I factor the expression completely

Respuesta :

TaylorBayley
TaylorBayley TaylorBayley
  • 08-11-2014
bx must be the sum of the numbers in the bracket and c must be the product. So we need to choose 2 numbers that multiply to make 3 and add to make -4.

A negative x negative = positive so
-3*-1=3
-3-1=-4

Therefore:
(x-3)(x-1)
Answer Link
konrad509
konrad509 konrad509
  • 08-11-2014
[tex]x^2 - 4x + 3=\\ x^2-x-3x+3=\\ x(x-1)-3(x-1)=\\ (x-3)(x-1)[/tex]
Answer Link

Otras preguntas

Simple" and "complex" _____ are nutrients that help to give the body energy.
Help me plz (this is middle school science)
how to do this as a two column proof
The range of which function includes -4? A. y=sqrt(x)-5 B. y=sqrt(x)+5 C. y=sqrt(x+5) D. y=sqrt(x-5)
Simplify. Show your work. 5 1/3 + (-3 9/18)
The Aon Centre in Chicago,Illinois is one of the tallest buildings.built in1973
why does the moons gravity affect the earth so much
Deaths due to lifestyle diseases have declined since the early 1900s. Please select the best answer from the choices provided. T F
When river waters recede after floods, the uncovered soil is described as?
Which best describes the formula for the perimeter of a square? A. It’s four times the sides. B. The formula for the perimeter of a square is 4s. C. Square t