169-25y^2 Factorise using the identities(step by step)
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169-25y^2 Factorise using the identities(step by step)
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Step-by-step explanation:
169 =13 x 13
25y²= (5y) ²
13² - 25y²
a²-b²= a+b a-b
(13 + 5y) (13-5y)
Answer:
(13-5y) (13+5y)
Step-by-step explanation:
using identity => a^2-b^2 = (a-b) (a+b)....
(13)^2 - (5y) ^2 = ......