mollycompton04 mollycompton04

16-09-2019
Mathematics

contestada

factor the expression below x^2 - 81

A. (x + 9)(x - 9)
B. (x - 9)(x - 9)
C. (x + 27)(x - 3)
D. (x - 27)(x - 3)

Respuesta :

sheilalivingston35 sheilalivingston35

13-05-2020

Answer:

It's actually A. (x + 9) (x - 9)

Step-by-step explanation:

Answer Link

Alexandra421 Alexandra421

07-02-2021

A. (x + 9)(x - 9)

Solution:

(x + 9)(x - 9)

x²-9x+9x-81

x²-81

Answer Link

Otras preguntas

PLEASE SOMEONE HELP ME WITH THIS

Please answer 52 points

Wave length of a infra red wave

Write an equation of the line that Passes through the point (-6,9) with slope -5

Liam is making dinner for the family he has five packages of chicken he uses 1/4 of the packages how many total packages of chicken does lamb use

Each circle counts as one whole. Write a mixed number giving the amount shaded. Then, write this amount as an improper fraction.

describe how a pure dry sample of solid lead carbonate can be obtained from sodium carbonate solution and lead nitrate solution

Please help!!!!!!!!!!!!!!!!!!!

Which line of Ralph's dialogue most plainly foreshadows death among the boys in Lord of the Flies? "'You should stick a pig . . . They always talk about stickin

R120 cm A Find; 1. Area of the circle 2. Area of the square 3. Area of the shaded area (3 marks) (5 marks) (2 marks) Convert ; 2.4 m'to cm (2 marks) iv. A line