Respuesta:
1. 12x+3
12(4)+3
48+3
= 51
2. 15-4x
15-4(4)
15-16
= -1
3. alh
(7) (3) (5)
(21) (5)
= 105
4. 7b-4ac
7(7)-4(6)(-4)
49-24(-4)
49-(-96)
= 145
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Respuesta:
1. 12x+3
12(4)+3
48+3
= 51
2. 15-4x
15-4(4)
15-16
= -1
3. alh
(7) (3) (5)
(21) (5)
= 105
4. 7b-4ac
7(7)-4(6)(-4)
49-24(-4)
49-(-96)
= 145