Question

2 akar 175 kurang lima akar 343 tambah akar 63 kurang tiga Akar 112

Answer 1

2√175-5√343+√63-3√112
=2.√25.√7-5.√49.√7+√9.√7-2.√16.√7
=2.5√7-5.7√7+3√7-2.4.√7
=10√7-35√7+3√7-8√7
=-30√7
jadi hasilnya adl -30√7

Answer 2

2√175 - 5√343 + √63 - 3√112
= 2√(25×7) - 5√(49×7 + √(9×7) - 3√((16×7)
= 2×5√7 - 5×7√7 + 3√7 - 3×4√7
= 10√7 - 35√7 + 3√7 - 12√7
= -34√7