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Faktorkanlah. 4a^2b – 6ab^2, x^2 + 7x + 12, x^2 – 6x + 9, 144 – x^2, x^2 + 2x – 35

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Faktorkanlah.
1. 4a2b – 6ab2.
2. x2 + 7x + 12.
3. x2 – 6x + 9.
4. 144 – x2.
5. x2 + 2x – 35.
6. 4x2 + 12xy + 9y2.
7. x2y – 9xy + 18y.
8. (x + 3)2 – 2(x + 3).

4a2b – 6ab2.
2ab (a – 3b).


x2 + 7x + 12.
x2 + (4 + 3)x + 4 × 3
(x + 4) (x + 3).


x2 – 6x + 9
x2 + (-3 – 3)x + 3 × 3
(x – 3) (x – 3) = (x – 3)2.


144 – x2.
122 – x2
(12 + x) (12 – x)


x2 + 2x – 35.
x2 + (7 – 5)x + 7 × (-5)
(x + 7) (x – 5)


4x2 + 12xy + 9y2
(2x)2 + (3y + 3y) 2x + (3y)2
(2x + 3y) (2x + 3y) = (2x + 3)2


x2y – 9xy + 18y
y(x2 – 9x + 18)
y (x – 6) (x – 3)


(x + 3)2 – 2(x + 3)
M2 – 2M
M(M – 2)
(x + 3) (x + 3 – 2)
(x + 3) (x + 1)

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