(5a+b-3c)^2.thats ALLL
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Answer:
5 a^ 2+ b^2+-3c^2+2(5a)^2 (b)+2(b)(-3c)+2(5a)(-3c)
Step-by-step explanation:
25a^2+b^2+9c^2+10ab-6bc-30ac
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