Resposta:
a) 3(2)² - 5*2+2 = 3*4 -10+2 = 12-8 = 4
b) 3(-3)² -5(-3)+2 = 3*9+15+2 = 27 + 15 + 2 = 27+17 = 44
c) 3(-1)² -5(-1)+2 = 3*1+5+2 = 3 + 5 + 2 = 10
d) 3(4)² -5(4) + 2 = 3*16 -20+2 = 48 - 20 + 2 = 28 + 2 = 30.
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Resposta:
a) 3(2)² - 5*2+2 = 3*4 -10+2 = 12-8 = 4
b) 3(-3)² -5(-3)+2 = 3*9+15+2 = 27 + 15 + 2 = 27+17 = 44
c) 3(-1)² -5(-1)+2 = 3*1+5+2 = 3 + 5 + 2 = 10
d) 3(4)² -5(4) + 2 = 3*16 -20+2 = 48 - 20 + 2 = 28 + 2 = 30.