Matematika

Pertanyaan

1. 16× + 3 + 3× +4=........ 2. -x - y + x - 3=........ 3. (x +5) (x + 3)=......... 4.16a^2 b ÷ 2 ab=....... 5.(x +5)^2=.......
1. 16× + 3 + 3× +4=........                   2. -x - y + x - 3=........                     3. (x +5) (x + 3)=.........                   4.16a^2 b ÷ 2 ab=....

2 Jawaban

  • 1. 16x + 3x + 3 + 4 = 19x + 7
  • 1. 16x +3 + 3x +4 = 19x + 7
    2. -x-y+x-3 = -y-3
    3. (x+5)(x+3)= x² +3x + 5x + 15 = x² +8x + 15
    4. 16a²b/2ab = 8a
    5. (x + 5)² = x² + 5x +5x +10 = x² + 10x + 10