Question

Select the correct answer from each drop-down menu. Simplify the given polynomial and use it to complete the statement.


`( - 5 {x}^(2) - 2x + 4) + (8 {x}^(2) - x - 1) - (x + 2)(x - 5)`



The polynomial simplifies to an expression that is a____
A.quadratic
B.liner
C.constany
______
A.trinomial
B.binomial
C.monomial
with a degree of____
A.1
B.2
C.0
​

Answer 1

The polynomial simplifies to a quadratic with a degree of 2

Explanation:

Expand and simplify everything

-5x²-2x+4+8x²-x-1-x²+5x-2x+10

-5x²+8x²-x²-2x-x+5x-2x+4-1+10

2x²+13