Question

(a-2b)^2+4b , если а=3,b =2​

Answer 1

Ответ:

$(a - 2b) {}^{2} + 4b = (3 - 2 \times 2) {}^{2} + 4 \times 2 = ( - 1) {}^{2} + 8 = 1 + 8 = 9$