Simplify square root of five times the quantity six minus four square root of three.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30