MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Finding the Value of an Expression

Evaluate: 4...

Question

Evaluate: $4 x (5 x - 9 y) + 7 z$

Open in App

Solution

$4 x (5 x - 9 y) + 7 z$

$= 20 x^{2} - 36 x y + 7 z$

Suggest Corrections

thumbs-up

0

Similar questions

8 z (2 a - 5 b) + 7 z

3 x + 9 y + 7 z

6 x + 2 y

Q. Solve the following equations:

4 x - 3 y + 2 z = 40

5 x + 9 y - 7 z = 47

9 x + 8 y - 3 z = 97

Q. Solve the following equations:

12 x + 9 y - 7 z = 2

8 x - 26 y + 9 z = 1

23 x + 21 y - 15 z = 4

Q. Express the following statement as an algebraic expression:
"9y decreased by 5x gives 7z"

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Finding the Value of an Expression

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Finding the Value of an Expression

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon