Advertisements
Advertisements
Question
If p = − 10, evaluate:
3p2 – 20p
Sum
Advertisements
Solution
3p2 – 20p
= (3 × p × p) − (20 × p)
= (3 × (− 10) × (− 10)) − (20 × (− 10))
= 300 − (− 200)
= 300 + 200
= 500
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
Simplify this expression and find its value if x = 3, a = −1, b = −2.
10 - 3b - 4 - 5b
If p = −10, find the value of p2 − 2p − 100.
If m – 6, evaluate:
(2m)2
If a = – 10, evaluate:
a3
If x = – 6, evaluate:
4x2
If a = 5 and b = 6, evaluate:
6a2b
If x = 8 and y = 2, evaluate:
5x2y
If m = 3 and n = 7, evaluate:
4n2
If a = − 10, evaluate:
3a – 2
