Jawaban:
[tex]1. \: {a}^{2} - b = {( - 3)}^{2} - 8 = 9 - 8 = 1 [/tex]
[tex]2. \: 9a \times (- 5b) = - 45ab[/tex]
[tex]3. \: 12x \times \frac{5}{6} y = 10xy[/tex]
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Jawaban:
[tex]1. \: {a}^{2} - b = {( - 3)}^{2} - 8 = 9 - 8 = 1 [/tex]
[tex]2. \: 9a \times (- 5b) = - 45ab[/tex]
[tex]3. \: 12x \times \frac{5}{6} y = 10xy[/tex]