christeenalal2007 christeenalal2007

04-07-2020
Mathematics

contestada

Using a suitable identity solve the following (7a-9b)(7a-9b)

Respuesta :

RVADAMARAJANCHITHRA RVADAMARAJANCHITHRA

04-07-2020

Answer:

49a^2 - 126ab + 81 ^2

Step-by-step explanation:

Suitable identity = (a-b)(a-b) = a^2 - 2ab + b^2

So, to solve this.

(7a-9b)(7a-9b) = 49a^2 - 126ab + 81b^2

Hope this helps

Answer Link

Otras preguntas

What are the roots of x^2 -5x-4=0

ian put 48 cubic inches of soil into another flower pot. the length of the pot is 4 inches . the width of the pot is 3 inches. how many inches deep is the soil?

change the subject of the formula to w help[tex]d = w - r { }^{2} [/tex]

What part did the steel industry play in the growth of American industry?

The chart above compares the daily water use per person to the price of water in selected countries. Which of the following conclusions can be correctly drawn u

A collection of people who exist in same place at the same time, but who don't interact or share a sense of identify are known as:

What does a Materials filter attempt to do

Is 4n+12 and 4(n+3) equivalent

some people prefer intraval training because

How has ""classical"" music influenced ""folk"" music style and performance and vice versa?