please help Factorize these questions
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Step-by-step explanation:
9.ax+2bx-ay-2by+az+2bz
=(a+2b)x-(a+2b)y+(a+2b)z
=(a+2b)(x-y+z)
11. 12x²+2x-4
=12x²-6x+8x-4
=6x(2x-1)+4(2x-1)
=(2x-1)(6x+4)
12. b²-4bc+3c²
=b²-3bc-bc+3c²
=b(b-3c) -c(b-3c)
=(b-3c) (b-c)
hope it is helpful
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