Penjelasan dengan langkah-langkah:
= 7x² + 10x × 5
= 7.4² + 10.4 × 5
= 7.16 + 40 × 5
= 112 + 200
= 312
#koreksi
7x² + 10x × 5
= 7(4)² + 10(4) × 5
= 7(4 × 4) + 10(4) × 5
= 7(16) + 40 × 5
= 112 + (40 × 5)
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Penjelasan dengan langkah-langkah:
= 7x² + 10x × 5
= 7.4² + 10.4 × 5
= 7.16 + 40 × 5
= 112 + 200
= 312
#koreksi
7x² + 10x × 5
= 7(4)² + 10(4) × 5
= 7(4 × 4) + 10(4) × 5
= 7(16) + 40 × 5
= 112 + (40 × 5)
= 112 + 200
= 312