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The expression (4 A + B) -3 (2 A + B) is equivalent to
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The expression (4 A + B) -3 (2 A + B) is equivalent to

User Roman Safin
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2 Answers

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Answer: -2a-2b=-2(a+b)
User Sblom
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(4A+B)-3(2A+B)=4A+B-6A-3B=-2A-2B

then the expression is equivalent to -2A-2B=-2(A+B)

User Ijung
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