myeoniez myeoniez

25-01-2020
Mathematics

contestada

factorise the following expressions m²-9n²

Respuesta :

PollyP52 PollyP52

25-01-2020

Answer:

(m - 3n)(m + 3n).

Step-by-step explanation:

This is the difference of 2 squares, so we use the identity:

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

So m^2 - 9n^2

(m - 3n)(m + 3n).

Answer Link

Otras preguntas

John is deciding between three different apartments. The table shows the monthly rental price and size for each apartment Order apartments by their price per sq

I need help on these questions please

the original price for a shirt is $39.39. The store has 25% discount how much is the shirt

Which phrase best describes Robert Crittenden secretary of Arkansas territory? A) Uninterested in governing Arkansas B) Founded Arkansas Gazette C) Allied with

Help asap geometry 1 honors!!!!

Please help me with this!

What Did the Georgia legislature decide to the Georgia state flag in 1956

Find the rate and unit rate. 40 meters in 16 seconds

Please help me with this question please thank you so much is this right

How many gallons of gasoline does the car ?? Please help????