What is expand (12_{2}-15_{1})^2 ?

The solution to expand (12_{2}-15_{1})^2 is (12_{2})^2-2*12_{2}*15_{1}+(15_{1})^2

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expand (12_{2}-15_{1})^2

expand

(1 2_{2} - 1 5_{1})^{2}

(1 2_{2})^{2} - 2 \cdot 1 2_{2} \cdot 1 5_{1} + (1 5_{1})^{2}

Solution steps

(1 2_{2} - 1 5_{1})^{2}

Apply Perfect Square Formula:

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

a = 1 2_{2}, b = 1 5_{1}

= (1 2_{2})^{2} - 2 \cdot 1 2_{2} \cdot 1 5_{1} + (1 5_{1})^{2}

- 2.07 - (- 8.6)

(1 - e^{- 2 x})^{2}

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3 x^{5} + (5 π - 20) x^{3} + (60 - 15 π) x

What is expand (12_{2}-15_{1})^2 ?
The solution to expand (12_{2}-15_{1})^2 is (12_{2})^2-2*12_{2}*15_{1}+(15_{1})^2