multiply

√7(√3-10)

To multiply √7(√3-10), we can distribute the √7 to both terms inside the parentheses:

√7 * √3 - √7 * 10

Next, we simplify each term:

√(7*3) - 10√7

√21 - 10√7

Thus, √7(√3-10) simplifies to √21 - 10√7.