Subtraction of Terms

Q.

Subtract the following algebraic expressions :

$-9x-4y$from $-3x-y$

Q. Simplify:
$4x^{2}y-3x{y}^2$

1. 1
2. $x{y}^2$
3. These are not like terms.

Q. Subtract $m+6n-10$ from the sum of $5m+2n-25$ and $-3m+8n-15$.

1. $2m+10n-40$
2. $m+4n-30$
3. $2m-10n+40$
4. $m+4n+30$

Q. Can we subtract unlike terms in an algebraic expression?

1. Yes
2. No

Q. On his birthday, Jim brought $x+y+2$ candies to distribute among his classmates. If Jim had $x+y$ classmates and each of them got 1 candy each, he was left with candies.

Q. A square of side $y$ is shown in the figure given below:
Find an expression for the difference between the area and perimeter of the square.

1. $4y-y^2$
2. $4y$
3. $y^2$
4. $y^2-4y$

Q. Simplify the expression: $-5x{y}^{2}z+9y^2+5xz{y}^2+10$

1. $9y^2+10$
2. $(-5xz+9)y^2+5xz{y}^2+10$

Q.

Subtract:

$8\mathrm{xy}$ from $-\mathrm{xy}$.

Q.

Identify the operations (addition, subtraction, multiplication, division) in forming the following expressions and tell how the expressions have been formed:

(vi) $3y-5$

Q.

Subtract:

$3\mathrm{xy}$ from $8\mathrm{xy}$.

Q. If $3x^{2}y+8xy+6x{y}^2$ is subtracted from $7x^{2}y+9xy+8x{y}^2$, find the coefficient of $x^{2}y$

Q. Simplify:
$10a{b}^3-8a{b}^3$

1. $2$
2. $18a{b}^3$
3. $2a{b}^3$

Q.

Identify the operations (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed.

$2y+17$

Q.

Express each phrase as an algebric expression

Sum of twice $z$ and $34$

Q. From the sum of $5p^2+6pq-7q^2$, $4pq+5q^2$ and $2p^2-3pq$ subtract the sum of $p^2+3pq$ and $4pq+5q^2$.

1. $6p^2+pq+7q^2$
2. $6p^2-7q^2$
3. $6p^2-pq+7q^2$
4. $6p^2+7q^2$