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= x² + 3x + 3x + 9
= x(x + 3) + 3(x + 3)
= (x + 3)(x + 3) = (x + 3)²
b) x² - 12x + 36
= x² - 6x - 6x + 36
= x(x - 6) - 6(x - 6)
= (x - 6)(x - 6) = (x - 6)²
c. x² - 2x - 3
= x² - 3x + x - 3
= x(x - 3) + (x - 3)
= (x + 1)(x - 3)
d. x² + 9x + 18
= x² + 3x + 6x + 18
= x(x + 3) + 6(x + 3)
= (x + 3)(x + 6)
b.x²-12x+36=(x-6)(x-6)
c .x²-2x-3 =(x-3)(x+1)
d. x²+9x+18=(x+6)(x+3)
jadikan jawaban terbaik
terima kasih :)