Question

factorise 15ab + 15 + 9b + 25a​

Answer 1

Answer:

(3b+5) (3+5a)

Step-by-step explanation:

15ab+9b+15+25a

3a(5a+3)+5(5a+3)

(3b+5) (5a+3)

Answer 2

The answer to the factorisation is, (5a+3)(3b+5)

Given : The algebraic expression is, 15ab + 15 + 9b + 25a

To find : The factorisation of the given algebraic expression.

Solution :

We can simply solve this mathematical problem by using the following mathematical process. (our goal is to factorise the given algebraic expression)

Here, we will be using the general algebraic method.

So,

= 15ab + 15 + 9b + 25a

= 15ab + 9b + 25a + 15

= 3b (5a+3) + 5 (5a+3)

= (5a+3) (3b+5)

(This cannot be further factorised. That's why this will be considered as the final result.)

Hence, the answer to the factorisation is, (5a+3)(3b+5)