Question

1. 3 (x + 5y)
2. -4(-2a + b)
3. (7a - 4b) × 5
4. 6 (5x - 2y + 1)
5. (3a + 4b - 5) × (-2)
6. 1/4 (-8x - 2y)

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Answer 1

Jawab:

1.[tex]3(x+5y)=3x+5y[/tex]

2. [tex]-4(-2a+b)=8a-4b[/tex]

3. [tex](7a-4b)\times 5=35a-20b[/tex]

4. [tex]6(5x-2y+1)=30x-12y+6[/tex]

5. [tex](3a+4b-5)\times (-2)=-6a-8b+10[/tex]

6. [tex]\frac{1}{4}(-8x-2y)=\frac{(-8x-2y)}{4}=-2x-\frac{1}{2}y[/tex]

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