CameraIcon

SearchIcon

MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Addition of Polynomials

On simplifica...

Question

On simplification of $3 {x - 2 (y - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ x - 2 y)}$ , we get,

A

$9 x + 18 y$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

$9 x - 18 y$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

$3 x - 6 y$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

$3 x + 6 y$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
$9 x - 18 y$

$3 {x - 2 (y - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ x - 2 y)}$

= $3 {x - 2 (y - x + 2 y)}$

= $3 {x - 2 (3 y - x)}$

= $3 {x - 6 y + 2 x}$

= $3 {3 x - 6 y}$

= $9 x - 18 y$

Suggest Corrections

thumbs-up

0

Similar questions

\frac{3 x^{- 2} y^{- 3} z}{9 x^{- 2} y^{- 4}}

Q. Complete the following table of products of two monomials:

First $\to$ Second $↓$	$3 x$	$- 6 y$	$4 x^{2}$	$- 8 x y$	$9 x^{2} y$	$- 11 x^{3} y^{2}$
$3 x$
$- 6 y$
$4 x^{2}$
$- 8 x y$
$9 x^{2} y$
$- 11 x^{3} y^{2}$

Q. Solve the following pairs of equations.

3 x + 2 y = 4

9 x + 6 y - 12 = 0

Q. Find the distance between the parallel lines

3 x + 2 y = 7

9 x + 6 y = 5.

Complete the table of products

1st monomial $⟶$ 2nd monomial $↓$	$2 x$	$- 5 y$	$3 x^{2}$	$- 4 x y$	$7 x^{2} y$	$- 9 x^{2} y^{2}$
$2 x$	$4 x^{2}$	....	....	....	....	....
$- 5 y$	....	....	$- 15 x^{2} y$	....	....	...
$3 x^{2}$	....	....	....	....	....	....
$- 4 x y$	....	....	....	....	....	....
$7 x^{2} y$	....	....	....	....	....	....
$- 9 x^{2} y^{2}$	....	....	....	....	....	....

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Addition of Polynomials

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Addition of Polynomials

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon