CBSE Class 8CBSE
Share
Notifications

View all notifications

Find and Correct the Errors in the Following Mathematical Statement. Substituting X = −3 In Xsquare2 + 5x Gives (−3)Square2 + 5 (−3) = −9 − 15 = −24 - CBSE Class 8 - Mathematics

Login
Create free account


      Forgot password?

Question

Find and correct the errors in the following mathematical statement. Substituting x = −3 in  x2 + 5x gives (−3)2 + 5 (−3) = −9 − 15 = −24

Solution

For x = −3,

x2 + 5x = (−3)2 + 5(−3) = 9 − 15 = −6

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 to Current)
Chapter 14: Factorisation
Ex. 14.4 | Q: 10.3 | Page no. 229
Solution Find and Correct the Errors in the Following Mathematical Statement. Substituting X = −3 In Xsquare2 + 5x Gives (−3)Square2 + 5 (−3) = −9 − 15 = −24 Concept: Concept of Find the Error.
S
View in app×