Question

simplify 3√75 + 7√50 -2√78​

Answer 1

Answer:

$3 \sqrt{75} + 7 \sqrt{50} - 2 \sqrt{78}$

$3 \sqrt{25 \times 3} + 7 \sqrt{25 \times 2} - 2 \sqrt{78}$

$3 \times 5 \sqrt{3} + 7 \times 5 \sqrt{2} - 2 \sqrt{78}$

$15 \sqrt{3} + 35 \sqrt{2} - 2 \sqrt{78}$

Answer 2

Hence the simplified form is 15√3 + 35√2 - 2√78...