Question

factorise fully 21a - 7a ²

Answer 1

Step-by-step explanation:

21a - 7a^2

= 7a(3 - a)

HOPE IT HELPS

PLS MARK IT AS THE BRAINLIEST

AND DO FOLLOW ME

Answer 2

Answer:

The answer is 7a(3 - a)

Explanation:

Factorization is the method of dividing a large integer into smaller numbers that, when multiplied together, return the original number.

From the question, we have

$21a - 7a^2\\=7a*(3 - a)$

Multiplication:

To determine the sum of two or more numbers, multiply the numbers. It is one of the fundamental operations that we perform on a daily basis. Multiplication tables are the use that is obvious. It is a representation of the underlying idea of adding the same number repeatedly. The outcome of multiplying two or more numbers is referred to as the product of those numbers, and the factors are the quantities that are multiplied. When m is multiplied by n, either m is added to itself 'n' times or the other way around.  

To learn more about multiplication visit:

brainly.in/question/54137141

brainly.in/question/42663642

#SPJ2