Question

Simplify . 3 sqrt 10 + 7 sqrt 15 - 6 sqrt 10 -4 sqrt 15

Answer 1

Take the like terms of the equation.

$3 \sqrt{10} - 6 \sqrt{10}$

$7 \sqrt{15} - 4 \sqrt{15}$

Subtract those like terms together.

$3 \sqrt{10} - 6 \sqrt{10} = -3 \sqrt{10}$

$7 \sqrt{15} - 4 \sqrt{15} = 3 \sqrt{15}$

The simplified form of this equation is $-3 \sqrt{10} + 3 \sqrt{15}$.