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Expand the cube of a trinomial
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$\left(4a\right)^3+3\cdot -2\left(4a\right)^2b+3\cdot 1\left(4a\right)^2+\left(-2b\right)^3+3\cdot 4a\left(-2b\right)^2+3\cdot 1\left(-2b\right)^2+1^3+3\cdot 4\cdot 1^2a+3\cdot -2\cdot 1^2b+6\cdot 4\cdot -2\cdot 1ab$
Learn how to solve problems step by step online. Expand the expression (4a-2b+1)^3. Expand the cube of a trinomial. Any expression multiplied by 1 is equal to itself. Any expression multiplied by 1 is equal to itself. Any expression multiplied by 1 is equal to itself.