NEED ALL PROBLEMS ANSWERED!!!!!!!!1. Find the following root

NEED ALL PROBLEMS ANSWERED!!!!!!!!1. Find the following root. If the root does not exist as a real number, write ‘DNE’.4√−625=2. Factor completely, if possible.126×3+129×2+18x=3. Multiply:√10⋅√5=4. This problem is one you’ll see later in the book. Apply the distributive property, then simplify if possible.−1(2−a)=5. Evaluate the following.−(−3)2=6. Find x and y so 4+2i=4x−8yi is true.x=y=7. Simplify:(y2−25)⋅3y+5=8. Factor completely.48a2(x−8)−27(x−8)=9. Find the following root. If the root does not exist as a real number, write ‘DNE’.4√16=10. Use the commutative, associative, and distributive properties to simplify the following.2(b+2)−(5b−4)11. Apply the distributive property to the expression.x(1−6x)=12. Use the commutative, associative, and distributive properties to simplify the following.2(4−4x)−(2−x)=13. Simplify the following by combining similar terms.Subtract 3×2−5 from 3×2+5.14. Simplify the following by combining similar terms.Subtract −y2−y+1 from −3y2+y+3.15. Divide. (Assume all variables are nonzero.)8a7b82a3b4=16. Combine the following rational expressions.x−23x−9−2×2−9=17. Use the properties of exponents to simplify each expression. Write all answers with positive exponents only. (Assume variables are nonzero.)(a7)5(a6)5=18. Use the commutative, associative, and distributive properties to simplify the following.5a+1+3a+2a=19. Combine the following expressions. (Assume any variables under an even root are nonnegative.)8√10−5√10=Use ‘sqrt(2)’ for √2 and ‘root(x)(2)’ for x√2.20. Find x and y so (3x−1)−3i=−4+3yi is true.x=y=