Question

factorise the given equation 16-25a2​

Answer 1

Answer:

16=4^2

25a^2=(5a)^2

the identity will be a^2-b^2

(4-5a)(4+5a)

Answer 2

Step-by-step explanation:

16-25a2

= 4^2 - (5a)^2

identity used a^2 - b^2

=(4 - 5a) (4 + 5a)