1.

Expand : (5b - 7c)^3​

Answer»

(5b - 7c) ³[ (a - b)³= a³ - b ³ + 3 ab ( a - b) ](5b) ³ + ( - 7 c )³ + 3 × 5 b × - 7 c ( 5b -7c ) 125b³ - 343c ³ - 105 BC ( 5b - 7 c) AAGE KA ANSWER AAPKO TB PTA CHLEGA JB AAP MUJJHE AS BRAINLIST MARK KROGE



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