factorise 36c²-(5a+b)²
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Answered by
20
use formula.. a^2-b^2=(a+b)(a-b)
(6c)^2-(5a+b)^2=(6c+5a+b)(6c-5a-b)
(6c)^2-(5a+b)^2=(6c+5a+b)(6c-5a-b)
Answered by
19
use formula , a ^ 2 - b ^ 2 = ( a + b ) × (
a - b ) ( 6 c ) ^ 2 - ( 5 a + b ) ^ 2 = ( 6 c
+ 5 a + b ) × ( 6 c - 5 a - b ) .
a - b ) ( 6 c ) ^ 2 - ( 5 a + b ) ^ 2 = ( 6 c
+ 5 a + b ) × ( 6 c - 5 a - b ) .
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