How do you multiply 2\sqrt { 5} \cdot - 3\sqrt { 4}?

2 Answers
Jan 12, 2018

-12sqrt5

Explanation:

2sqrt5xx -3sqrt4

Multiply the coefficients and the square roots together

which would be, 2xx(-3)(sqrt5xxsqrt4)

or, -6xxsqrt5xx2 (becausesqrt4 is 2)

or, -12sqrt5

Jan 12, 2018

The Answer is -12sqrt(5

Explanation:

Always remember to factor the sqrt(4. After that, multiply the numbers that are outside the square roots. so 2 * -6. just add the sqrt(5