Question

1.Take 4x + 2 from 8x + 5.

Answer 1

8x + 5 - (4x + 2)

= 8x - 4x + 5 - 2
= 4x + 3

2. 
This is a binomial ( contains 2 terms)

Answer 2

Answer:

1. 4x + 3

2. Binomial

Step-by-step explanation:

1. Given phrase,

Take 4x + 2 from 8x + 5

That is,

(8x+5) - (4x+2)

= 8x + 5 - 4x - 2

= 4x + 3                ( By combining the like terms )

Thus, OPTION B is correct.

2. An expression with one or more than one algebraic terms combined by addition or subtraction is called a polynomial.

There are different types of polynomial,

Monomial : Polynomial with one term,

Binomial : Polynomial with two terms,

Trinomial : Polynomial with three terms,

Four-term polynomial : Polynomial with four terms,

Five-term polynomial : Polynomial with five terms,

Here, the given expression,

$a^2b - cd^3$

There are two terms $a^2b$ and $cd^3$.

Thus, it is a binomial.