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${A} x ² + ${B} + ${C} x: left parenthesis, 0 , negative 3 left brace, "b" less than 0 , right brace left brace, "C" greater than or equal to 0 , right brace , right parenthesis

Label:

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9

${A} x ² + ${B} - ${C_Minus} x: left parenthesis, 0 , negative 3 left brace, "b" less than 0 , right brace left brace, "C" less than 0 , right brace , right parenthesis

Label:

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10

Expression 11: "b" Subscript, "M" "i" "n" "u" "s" , Baseline equals negative "b"

equals

negative 3

11

Expression 12: "C" Subscript, "M" "i" "n" "u" "s" , Baseline equals negative "C"

equals

12

12

= left parenthesis, 0 , 1.5 , right parenthesis

Label:

13

= left parenthesis, 0 , negative 1.5 , right parenthesis

Label:

14

Expression 15: "A" equals "a" squared

equals

4

15

Expression 16: "B" equals "b" squared

equals

9

16

Expression 17: "C" equals 2 "a" "b"

equals

negative 12

17

Expression 18: "D" equals "a" "b"

equals

negative 6

18

19

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( -2 x + 3 ) ²

( -2 x ) ² + ( 3 ) ² + 2 ( -2 ) ( 3 ) x

4 x ² + 9 - 12 x

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=

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