Odpowiedź:
4b2-a(2b+1)=4b-2ab-a=4*(-5)-2*3*(-5)-3=-20+30-3=10-3=7
4b2 - a (2b + 1) =
= 4b2 - 2ab + a =
- 2 * 3 * (- 5) + 3 =
= + 30 +3 =
= 400 + 30 + 3 =
= 433
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Odpowiedź:
4b2-a(2b+1)=4b-2ab-a=4*(-5)-2*3*(-5)-3=-20+30-3=10-3=7
Odpowiedź:
4b2 - a (2b + 1) =
= 4b2 - 2ab + a =
- 2 * 3 * (- 5) + 3 =
= + 30 +3 =
= 400 + 30 + 3 =
= 433