What is expand (3x-1)(2x+7y-9) ?

The solution to expand (3x-1)(2x+7y-9) is 6x^2+21xy-29x-7y+9

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expand (3x-1)(2x+7y-9)

expand

(3 x - 1) (2 x + 7 y - 9)

6 x^{2} + 21 x y - 29 x - 7 y + 9

Solution steps

(3 x - 1) (2 x + 7 y - 9)

Distribute parentheses

= 3 x \cdot 2 x + 3 x \cdot 7 y + 3 x (- 9) - 1 \cdot 2 x - 1 \cdot 7 y - 1 \cdot (- 9)

Simplify

3 x \cdot 2 x + 3 x \cdot 7 y + 3 x (- 9) - 1 \cdot 2 x - 1 \cdot 7 y - 1 \cdot (- 9) : 6 x^{2} + 21 x y - 29 x - 7 y + 9

= 6 x^{2} + 21 x y - 29 x - 7 y + 9

4 (x - y + 2) - 2 (- 3 x + 2 y - 1)

\frac{200}{1.6 \cdot 1 0 ^{- 19}}

(- 2.6) - (- 6.1)

2^{2} + 1. 5^{2}

169 + 144

What is expand (3x-1)(2x+7y-9) ?
The solution to expand (3x-1)(2x+7y-9) is 6x^2+21xy-29x-7y+9