Question

A^3+b^3+125c^3-15abc factorize

Answer 1

Answer:

(a+b+5c) ( a² + b² + 25c² - ab - 5bc - 5ac )

Explanation:

Using identity:

Using identity:x³+y³ + z³ - 3xyz = (x+y+z) ( x²+y²+z²-xy -yz -zx)

= a³ + b³ + (5c)³ - 3× a × b × 5c

= (a+b+5c) { a² + b² + (5c)² - ab - b× 5c - 5c×a}

= (a+b+5c) ( a² + b² + 25c² - ab - 5bc - 5ac ) ANS

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