Question

what is the answer to: 3√7-2√7

Answer 1

$3\sqrt[]{7}-2\sqrt[]{7}$

Factor with square root of 7 as common factor:

$(3-2)\cdot\sqrt[]{7}$

Substract 3-2:

$1\sqrt[]{7}=\sqrt[]{7}$The exact answer is √7, in decimal form is approximately: 2.645