Question

Factorize

z²-(a-3)²

options:
(Z-A)(Z+A)
(z-a)(z+a+3)
(z+a-3)(z-a+3)
(a+z+9)(z-a-9)​


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Answer 1

Answer:

c (z+a-3)(z-a+3)

Step-by-step explanation:

$z^{2}-(a-3)^{2}$

use property $x^{2} -y^{2} =(x+y)(x-y)$

[z+(a-3)] [z-(a-3)

(z+a-3)(z-a+3)

Answer 2

Step-by-step explanation:

Refer to this attachment

the total answer is option C

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