Advertisements
Advertisements
Question
If x = 4, evaluate:
5x2 + 4x
Sum
Advertisements
Solution
5x2 + 4x
= (5 × 4 × 4) + 4 (4)
= 80 + 16
= 96
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find the value of the following expression, when x = −1:
2x - 7
If x = 10, evaluate:
6x2 – 25x
If x = 10, evaluate:
`1/50xx"x"^3`
If m = – 7, evaluate:
2m3
If x = 8 and y = 2, evaluate:
(4y)2
If y = 5 and z = 2, evaluate:
5y2
If x = − 6, evaluate:
4x – 9
If x = 2 and y = − 4, evaluate:
8x2
If m = 9 and n = − 2, evaluate 4mn
If x = − 5 and y = − 8, evaluate:
2xy2
