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Popular >

expand (-3,4,2)(2x-4y+z-7)

Solution

expand

(- 3, 4, 2) (2 x - 4 y + z - 7)

Solution

2 (- 3 \cdot 4 \cdot 2,,) x - 4 (- 3 \cdot 4 \cdot 2,,) y + (- 3 \cdot 4 \cdot 2,,) z - 7 (- 3 \cdot 4 \cdot 2,,)

Solution steps

(- 3, 4, 2) (2 x - 4 y + z - 7)

= (- 3 \cdot 4 \cdot 2,,) (2 x - 4 y + z - 7)

Distribute parentheses

= (- 3, 4, 2) \cdot 2 x + (- 3, 4, 2) (- 4 y) + (- 3, 4, 2) z + (- 3, 4, 2) (- 7)

Apply minus-plus rules

+ (- a) = - a

= 2 (- 3 \cdot 4 \cdot 2,,) x - 4 (- 3 \cdot 4 \cdot 2,,) y + (- 3 \cdot 4 \cdot 2,,) z - 7 (- 3 \cdot 4 \cdot 2,,)

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Frequently Asked Questions (FAQ)

What is expand (-3,4,2)(2x-4y+z-7) ?
The solution to expand (-3,4,2)(2x-4y+z-7) is 2(-3*4*2,,)x-4(-3*4*2,,)y+(-3*4*2,,)z-7(-3*4*2,,)