Question

(-4a+b)×(4a+2b), berikan caranya

Answer 1

-4a×(4a+2b)+b×(4a+2b)

Answer 2

(-4a+b)x(4a+2b)
(4a.4a)+(-4a+2b)+(b.4a)+(b.2b)
16 a² -8ab +4ab +2b²
16a² 4ab 2b²
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