What is the following product? (startroot 12 endroot + startroot 6 endroot) (startroot 6 endroot minus startroot 10 endroot)

options: a. 6 startroot 2 endroot minus 2 startroot 30 endroot + 6 minus 2 startroot 15
b. endroot 6 startroot 3 endroot minus 6 startroot 5
c. endroot 3 startroot 2 endroot minus startroot 22 endroot + 2 startroot 3 endroot minus 4
d. 2 startroot 3 endroot + 6 minus 2 startroot 15 endroot

The product results in: , which agrees with answer A of the given choices.

Step-by-step explanation:

We need to apply distributive property for the product of two expressions each consisting of two terms, and also use the properties of products of radicals of the same root:

and now, we extract as many factors we can from the roots to reduce them:

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

i can't solve unless i know what the line is

step-by-step explanation:

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