August 2018 2 1K Report
1. Tentukan hasil kali dari bentuk-bentuk aljabar berikut
a. 10 × (2y − 10) = ...
b. (x + 5) × (5x − 1) = ...
c. (7 − 2x) × (2x − 7) = ...
2. Diketahui a2 − b2 = 40 dan a − b = 4. Berapakah nilai a + b?
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