What is the following product?

(5 startroot 2 endroot minus 4 startroot 3 endroot) (5 startroot 2 endroot minus 4 startroot 3 endroot)
–2
2
22 – 40 startroot 6 endroot
98 – 41 startroot 6 endroot

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13