Question

(2a-3b)³ Algebric Identity​

Answer 1

${\boxed{\red{\sf{(a+b)³=a³-b³-3ab(a-b)}}}}$

(2a-3b)³ = 8a³ - 27b³ - 3(2a)(3b)(2a-3b)

= 8a³ - 27b³ - 36a²b + 54ab²

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Answer 2

ALGEBRIC IDENTITIES :-

$\sf{=>(x + y)(z + a) = xz + \: xy \: + yz + \: ya}$

$\sf{= > ({a \: + b})^{2} = {a}^{2} + 2ab + {b}^{2}}$

$\sf{ = > ({a \: - b})^{2} = {a}^{2} - 2ab + {b}^{2}}$

$\sf{= > (a \: + b)(a - b) = {a}^{2} - {b}^{2}}$