Question

simplify (2a-3b+4c)²​

Answer 1

Answer:

(2a-3b+4c)^2

(a+b+c)^2=a^2+b^2+c^2-2ab-2bc-2ca

(2a)^2+(-3b)^2+(4c)^2 - (2.2a.-3b) -(2.-3b.4c) -(2.4c.2a)

4a^2+9b^2+16c^2+12ab+24bc-16ca

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Answer 2

Step-by-step explanation:

(2a-3b+4c)² = (2a-3b+4c)(2a-3b+4c)

= (4a²-6ab+8ac-6ab+9b²-12bc+8ac-12bc+16c²)

= (4a²+9b²+16c²-12ab-24bc+16ac)

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