What is expand (-x+3y,x+2y)y(7,8) ?

The solution to expand (-x+3y,x+2y)y(7,8) is -(7*8,)xy+3(7*8,)yy,x+2(7*8,)yy

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expand (-x+3y,x+2y)y(7,8)

expand

(- x + 3 y, x + 2 y) y (7, 8)

- (7 \cdot 8,) x y + 3 (7 \cdot 8,) yy, x + 2 (7 \cdot 8,) yy

Solution steps

(- x + 3 y, x + 2 y) y (7, 8)

= (7 \cdot 8,) y (- x + 3, x y + 2 y)

Distribute parentheses

= y (7, 8) (- x) + y (7, 8) \cdot 3 y, x + y (7, 8) \cdot 2 y

Apply minus-plus rules

+ (- a) = - a

= - (7 \cdot 8,) x y + 3 (7 \cdot 8,) yy, x + 2 (7 \cdot 8,) yy

- \frac{a ( - a ^{2} - 1 )}{b}

(- \frac{1}{10} + 2 πi)^{10}

\frac{1}{( r - a y ) y}

cosh ((x + 1)^{2})

\frac{6}{7 ( 21 - 14 v )}

What is expand (-x+3y,x+2y)y(7,8) ?
The solution to expand (-x+3y,x+2y)y(7,8) is -(7*8,)xy+3(7*8,)yy,x+2(7*8,)yy