7001335 7001335
  • 01-04-2020
  • Mathematics
contestada

x2-81 Factor each polynomial

Respuesta :

altavistard
altavistard altavistard
  • 02-04-2020

Answer:

Step-by-step explanation:

Recall that the "difference of two squares" occurs frequently and that there is a formula for factoring it:

a^2 - b^2 = (a - b)(a + b)

Therefore,

x^2 - 81 = (x - 9)(x + 9).

x2 is incorrect; write x^2 or x² in its place.

Answer Link

Otras preguntas

what is the kingdom and phylum of a euglena protest?
What were some events/things that caused the Great Depression?
Which of the allies suffered the greatest losses on D-Day
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
What were some events/things that caused the Great Depression?
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
least number that has 2, 3, 4, as factors
what is the kingdom and phylum of a euglena protest?
If it takes Mark twice as long to earn $6.00 as it takes Carl to earn $4.00, what is the ratio of Mark’s pay per hour to Carl’s pay per hour?
If it takes Mark twice as long to earn $6.00 as it takes Carl to earn $4.00, what is the ratio of Mark’s pay per hour to Carl’s pay per hour?