What is expand (x+3y=9,)(x-3y=-3) ?

The solution to expand (x+3y=9,)(x-3y=-3) is xx-3xy=-3x+3y=9,x-3y=9,3y=-3y=9,3

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expand (x+3y=9,)(x-3y=-3)

expand

(x + 3 y = 9,) (x - 3 y = - 3)

xx - 3 x y = - 3 x + 3 y = 9, x - 3 y = 9, 3 y = - 3 y = 9, 3

Solution steps

(x + 3 y = 9,) (x - 3 y = - 3)

= (x + 3 \cdot 9 =, y) (x - 3 = y - 3)

Distribute parentheses

xx + x (- 3 y =) + x (- 3) + 3 y = 9, x + 3 y = 9, (- 3 y =) + 3 y = 9, (- 3)

Apply minus-plus rules

+ (- a) = - a

xx - 3 x y = - 3 x + 3 y = 9, x - 3 y = 9, 3 y = - 3 y = 9, 3

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What is expand (x+3y=9,)(x-3y=-3) ?
The solution to expand (x+3y=9,)(x-3y=-3) is xx-3xy=-3x+3y=9,x-3y=9,3y=-3y=9,3