Question

$16 a {}^{2} - 225b {}^{2}$
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Answer 1

Step-by-step explanation:

QUESTION ASKED:

16a2-225b2

WE HAVE TO FACTORISE IT

WE HAVE TO USE FORMULAE:

a2-b2=(a+b)(a-b)

process to deal with

• just put the value to get the result

SOLUTION

16a2-225b2

(4a)2-(15b)2

(4a-15b)(4a+15b)

mark it plzz.....

Answer 2

(2a +3) (2a-3)

(4a + 15b ) (4a -15b)

plzz mark me