18x-12x²-21+14x
-12x²+32x-21
2/
12(0)²+32(0) -21
=-21
12(1)²+32(1) -21
12+32-21
44-21
23
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(0-7)(3-0)
0x3
0
2)(6x1-7)(3-2x1)
(6-7)(3-2)
-1x1
0
18x-12x²-21+14x
-12x²+32x-21
2/
12(0)²+32(0) -21
=-21
12(1)²+32(1) -21
12+32-21
44-21
23