Bonsoir;
x=0
A=0-2*0 +3
=3
x= 3
3²-2*3 +3
= 9-6+3
= 6
x= -3
(-3)² -( 2*-3) +3
= 9 +6+3
= 18
je ne peux pas lire le dernier
Bonsoir,
A = x² - 2x + 3
x = 0
A(0) = 0² - 2 × 0 + 3 = 0 - 0 + 3 = 3
x = 3
A(3) = 3² - 2 × 3 + 3 = 9 - 6 + 3 = 3 + 3 = 6
x = - 3
A(- 3) = (- 3)² - 2 × (-3) + 3 = 9 + 6 + 3 = 9 + 9 = 18
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Bonsoir;
x=0
A=0-2*0 +3
=3
x= 3
3²-2*3 +3
= 9-6+3
= 6
x= -3
(-3)² -( 2*-3) +3
= 9 +6+3
= 18
je ne peux pas lire le dernier
Bonsoir,
A = x² - 2x + 3
x = 0
A(0) = 0² - 2 × 0 + 3 = 0 - 0 + 3 = 3
x = 3
A(3) = 3² - 2 × 3 + 3 = 9 - 6 + 3 = 3 + 3 = 6
x = - 3
A(- 3) = (- 3)² - 2 × (-3) + 3 = 9 + 6 + 3 = 9 + 9 = 18