x² × 4x + 8² = ?
x => 3
3² × 4(3) + ( 8 × 8 )
= ( 3 × 3 ) × ( 3 × 4 ) + 64
= 9 × 12 + 64
= 108 + 64
= 172
koreksi
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x² × 4x + 8² = ?
x => 3
3² × 4(3) + ( 8 × 8 )
= ( 3 × 3 ) × ( 3 × 4 ) + 64
= 9 × 12 + 64
= 108 + 64
= 172
koreksi