Advertisements
Advertisements
Question
Find the value of the following expression, when x = -1:
x2 + 2x + 1
Sum
Advertisements
Solution
x2 + 2x + 1
= (-1) × (-1) + 2 × (-1) + 1
= 1 - 2 + 1
= 0
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
When a = 0, b = −1, find the value of the given expression:
a2 + ab + 2
If x = 4, evaluate:
x2 – 2x
If x = 4, evaluate:
12x + 7
If a = – 10, evaluate:
a3
If a = 5 and b = 6, evaluate:
6a2b
If x = 8 and y = 2, evaluate:
9xy
If x = 2 and y = 10, evaluate:
50xy2
If a = − 10, evaluate:
`1/5xx"a"^2`
If x = − 6, evaluate:
`"x"^2/2`
If m = 9 and n = − 2, evaluate 2m2n
