Question

stiind ca (n x n) - (3 x 8) = 5 x 8, cât este n? a) 4 b) 8 c) 16 d) 64​

Answer 1

(n x n) - (3 x 8) = 5 x 8

n² - 24 = 40

n² = 40 + 24

n² = 64

n = 8

Answer 2

$(n * n) - (3 * 8) = 5 * 8\\\\n^{2}=40+24\\\\n^{2}=64\\\\n=8$