What is expand-7x^2left(xy+3x^5y) ?

The solution to expand-7x^2left(xy+3x^5y) is -7elx^3fty-21elx^7fty

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expand-7x^2left(xy+3x^5y)

expand

- 7 x^{2} l e f t (x y + 3 x^{5} y)

- 7 e l x^{3} f t y - 21 e l x^{7} f t y

Solution steps

- 7 x^{2} l e f t (x y + 3 x^{5} y)

= - 7 e l x^{2} f t (x y + 3 x^{5} y)

Apply the distributive law:

a (b + c) = ab + a c

a = - 7 x^{2} l e f t, b = x y, c = 3 x^{5} y

= - 7 x^{2} l e f t x y + (- 7 x^{2} l e f t) \cdot 3 x^{5} y

Apply minus-plus rules

+ (- a) = - a

= - 7 e l x^{2} x f t y - 7 \cdot 3 e l x^{5} x^{2} f t y

Simplify

- 7 e l x^{2} x f t y - 7 \cdot 3 e l x^{5} x^{2} f t y : - 7 e l x^{3} f t y - 21 e l x^{7} f t y

= - 7 e l x^{3} f t y - 21 e l x^{7} f t y

(y^{4} + k x y^{4} - x^{3}) d x

\frac{x ^{2} + 3 x - 2}{x ^{2} ( 2 x - 1 )}

\frac{d}{d x} ((L (x)) 2) - \frac{2}{( x - 1 ) ^{2}}

\frac{2 ( 3 - 2 y ^{2} - 8 y )}{3}

(z^{2} - 1) (z^{2} - 2 + 1) (z^{2} + 1) (z^{2} + 2 + 1)

What is expand-7x^2left(xy+3x^5y) ?
The solution to expand-7x^2left(xy+3x^5y) is -7elx^3fty-21elx^7fty