What is expand 7sqrt(3)x(-21x+4pi) ?

The solution to expand 7sqrt(3)x(-21x+4pi) is -147sqrt(3)x^2+28sqrt(3)pix

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expand 7sqrt(3)x(-21x+4pi)

expand

73 x (- 21 x + 4 π)

- 1473 x^{2} + 283 π x

Solution steps

73 x (- 21 x + 4 π)

Apply the distributive law:

a (b + c) = ab + a c

a = 73 x, b = - 21 x, c = 4 π

= 73 x (- 21 x) + 73 x \cdot 4 π

Apply minus-plus rules

+ (- a) = - a

= - 7 \cdot 213 xx + 7 \cdot 43 π x

Simplify

- 7 \cdot 213 xx + 7 \cdot 43 π x : - 1473 x^{2} + 283 π x

= - 1473 x^{2} + 283 π x

(0.8 - 1.3 i) - (- 1, 2 - 0.7 i)

3 (2 e^{3 t} - e^{2 t})

\frac{5 ( - a + 5 )}{13}

1 + 2 i

\frac{1}{( x - 3 ) ( x + h - 3 )}

What is expand 7sqrt(3)x(-21x+4pi) ?
The solution to expand 7sqrt(3)x(-21x+4pi) is -147sqrt(3)x^2+28sqrt(3)pix