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Q: In factorising what is the answer to 21b-9?
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Related questions

What is the opposite of expanding brackets?

factorising


How do you solve factorising?

no bloody clue


What is the opposite of factorising expressions?

Expanding Brackets


What is the answer to 12x - 15 by factorising?

-3


How do you factorise 15x-27xy?

Factorising 15x-27xy gives 3x (5 - 9y).Factorising is to express a number or expression as a product of factors.When factorising always look for common factors. To factorise (15x-27xy) look for the highest factor between the two terms (3x). 15x - 27y = 3x (5 - 9y)


How do you factorising ab xb ac xc?

(a + x)(b + c)


What is the factors of AB-CD?

There is no simple way of factorising AB - CD


When you use greatest common factor is it multiplying?

No, it is not. It is factorising - which is more related to dividing.


Where is division used?

In factorising division is used . It is used in opposite cases concern with multipling


How do you check math factorizations?

Multiply the factors together. If the answer is the number you were factorising, the process checks out and if not, there is an error.


Factorising two polynomials with example for std 8?

are the followimg expressions polynomials1. b squre -25


How do you find the zeros?

Solve the equation - by whatever means available to you: factorising, graphical, numerical approximations, etc.