Home
Class 8
MATHS
On substituting x= -2 in x^2+5x+4 we ge...

On substituting `x= -2 ` in `x^2+5x+4` we get :

A

15

B

`-2`

C

24

D

28

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Substituting x = – 3 in : x^2 + 5x + 4 gives (– 3)^2 + 5 (– 3) + 4 = 9 + 2 + 4 = 15

Substituting x = – 3 in : x^2 – 5x + 4 gives (– 3)^2 – 5 ( – 3) + 4 = 9 – 15 + 4 = – 2

Substituting x = – 3 in : x^2 + 5x gives (– 3)^2 + 5 (–3) = – 9 – 15 = – 24

Substituting x =-3 in x^2+5x+4 gives, (-3)^2+5(-3)+4=9+2+4 = 15 Find and correct the error.

Substituting x =-3 in x^2-5x+4 gives: (-3)^2-5(-3)+4=9-15+4=-2 . Find and correct the error.

Substituting x =-3 in: x^2+5x gives: (-3)^2+5(-3)=-9-15=-24 . Find and correct the error

On dividing x^3 + 3x^2 + 3x + 1 by x we get remainder :