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Popular >

expand (1-4m)^3

Solution

expand

(1 - 4 m)^{3}

Solution

1 - 12 m + 48 m^{2} - 64 m^{3}

Solution steps

(1 - 4 m)^{3}

Apply Perfect Cube Formula:

(a - b)^{3} = a^{3} - 3 a^{2} b + 3 a b^{2} - b^{3}

(1 - 4 m)^{3} = 1^{3} - 3 \cdot 1^{2} \cdot 4 m + 3 \cdot 1 \cdot (4 m)^{2} - (4 m)^{3}

= 1^{3} - 3 \cdot 1^{2} \cdot 4 m + 3 \cdot 1 \cdot (4 m)^{2} - (4 m)^{3}

Simplify

1^{3} - 3 \cdot 1^{2} \cdot 4 m + 3 \cdot 1 \cdot (4 m)^{2} - (4 m)^{3} : 1 - 12 m + 48 m^{2} - 64 m^{3}

= 1 - 12 m + 48 m^{2} - 64 m^{3}

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Frequently Asked Questions (FAQ)

What is expand (1-4m)^3 ?
The solution to expand (1-4m)^3 is 1-12m+48m^2-64m^3