Question

найдите 3x-(4+(2x-1)) при х=3

Answer 1

3×3-(4+(2×3-1))=3×3-(4+(6-1))=3×3-(4+5)=3×3-9=9-9=0

Answer 2

3*3-(4+(2*3-1))=9-(4+(6-1))=9-(4+5)=9-9=0