Jabarkanlah 1. (x + 2) (x + 6) 2. (x + 5) (x + 8) 3. (x - 4) (x - 5) 4. (2x + 3) (2x + 4) 5. (3x

October 2018 2 75 Report

Jabarkanlah
1. (x + 2) (x + 6)
2. (x + 5) (x + 8)
3. (x - 4) (x - 5)
4. (2x + 3) (2x + 4)
5. (3x - 5) (2x + 9)
6. (r + 2) (r² + 2r + 1)
7. (3y - 2z) (6y² - 4yz + 4z²)
8. (y² - 5) (2y² + 3yz - 2z²)

KusanagiSword 1. x² + 6x + 2x + 12
= x² + 8x + 12
2. x² + 8x + 5x + 40
= x² + 13x + 40
3. x² - 5x - 4x + 20
= x² - 9x + 20
4. 4x² + 8x + 6x + 12
= 4x² + 14x + 12
5. 6x² + 27x - 10x - 45
= 6x² + 17x - 45
6. r³ + 2r² + r + 2r² + 4r + 2
= r³ + 4r² + 5r + 2
7. 18y³ - 12y²z + 12yz² - 12y²z + 8yz² - 8z³
= 18y³ - 24y²z + 20yz² - 8z³
8. $2y^{4} + 3y^{2}z - 2y^{2}z^{2} - 10y^{2} - 15yz + 10z^{2}$

0 votes Thanks 1

vianiratna terima kasih

FionaCitra Jawab
1. $x^{2} + 6x + 2x + 12
 = x^{2} + 8x + 12$
2. $x^{2} + 8x + 5x + 40
 = x^{2} + 13x + 40$
3. $x^{2} - 5x - 4x + 20
 = x^{2} - 9x + 20$
4. $4x^{2} + 8x + 6x + 12
 = 4x^{2} + 14x + 12$
5. $6x^{2} + 27x - 10x - 45
 = 6x^{2} + 17x - 45$
6. $r^{3} + 2r^{2} + r + 2r^{2} + 4r + 2
 = r^{3} + 4r^{2} + 5r + 2$
7. 18y³ - 12y²z + 12yz² - 12y²z + 8yz² - 8z³
= 18y³ - 24y²z + 20yz² - 8z³
8. $2y^{4} + 3y^{3}z - 2y^{2}z^{2} - 10y^{2} - 15yz + 10z^{2}$

0 votes Thanks 2

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