briandacontreras8 briandacontreras8

24-01-2021
Mathematics

contestada

FACTORIZAR LOS SIGUIENTES POLINOMIOS.

a2 - 81 =

Respuesta :

darealmarinda123 darealmarinda123

24-01-2021

Answer:

(a+9)(a-9)

Step-by-step explanation:

Both terms are perfect squares, use the difference of squares formula

a^2-b^2=(a+b)(a-b) where a=a and b=9

Answer Link

Otras preguntas

Jamal wrote the following statements: Statement 1: Perpendicular lines are two lines that intersect at 90° angles. Statement 2: All right angles are congruent.

A server should check with a manager before accepting which type of id

Which statement is true? There are a number of chromosomes on a given gene; all of these actively code for proteins. Chromosomes contain many genes; not all gen

Constantine believed that _______ helped him to be victorious in battle.

Difference between cycad and fern

Solve 3c + 4 = −20. −5.3 6 8 −8

When a player denies the opposing team a goal or an obvious goal scoring opportunity by a deliberate handball, what is the correct restart and disciplinary acti

A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b? Show your work.

A local Dot Dress Shop is selling a suit for $99. Because of changing styles, the first markdown was 8% and second markdown was 25%. The suit still did not sell

An airplane leaves an airport and flies due west 180 miles and then 160 miles in the direction S79.17˚W. How far is the plane from the airport at this time (to