Question

3(a-2c)²+3c(a-2c) can you simply ​

Answer 1

Answer:

Step-by-step explanation:

Using Identity: -

let a = a, b= 2c

$(a-b)^{2} = a^{2}-2ab+b^{2}$

$3[(a^{2}-2(a)(2c)+(2c)^{2}]+3ca-6c^{2}\\= 3a^{2}-12ac+6c^{2}+3ca-6c^{2}\\= 3a^{2}-9ca$

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