Question

Expand ( 4a - 2b - 3c) ^2 no spam

Answer 1

Step-by-step explanation:

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{\color{#c92786}{4a(4a-2b-3c)}}-2b(4a-2b-3c)-3c(4a-2b-3c)

4a(4a−2b−3c)−2b(4a−2b−3c)−3c(4a−2b−3c)

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{\color{#c92786}{16a^{2}-8ab-12ac}}-2b(4a-2b-3c)-3c(4a-2b-3c)

16a2−8ab−12ac−2b(4a−2b−3c)−3c(4a−2b−3c)

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Answer 2

Hey mate,

Given question :Expand (4a - 2b -3c) ^2

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

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

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

= thank you