tolong bantu jawab kak. 2√3(√6-5√7) =

Mapel : Matematika
Bab : Akar dan Pangkat

2√3(√6 - 5√7)
= (2√3 × √6) - (2√3 × 5√7)
= 2√18 - 10√21
= 2√(9 × 2) - 10√21
= 2√(3² × 2) - 10√21
= (2 × 3)√2 - 10√21
= 6√2 - 10√21

Maaf Kalau Salah

[tex]2 \sqrt{3} ( \sqrt{6} - 5 \sqrt{7} ) =( 2 \sqrt{3} \times \sqrt{6} ) - (2 \sqrt{3} \times 5 \sqrt{7} ) = 2 \sqrt{18} - 10 \sqrt{21} = 2 \sqrt{9 \times 2} - 10 \sqrt{21} = (2 \times 3 \sqrt{2} ) - 10 \sqrt{21} = 6 \sqrt{2 } - 10 \sqrt{21} [/tex]