1. tentukn hsil perkalian berikut!
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Quis.aljabar
□ Aljabar
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= 5 ( 2x + y )
= ( 5 × 2x ) + ( 5 × y )
= 10x + ( 5 × y )
= 10x + 5y
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5(2x + y)
= (5 × 2x) + (5 × y)
= (5 × 2)x + (5 × 1)y
= 10x + (5 × 1)y
= 10x + 5y