Advertisements
Advertisements
Question
Simplify:
2p3 − 3p2 + 4p − 5 − 6p3 + 2p2 − 8p − 2 + 6p + 8
Solution
2p3 − 3p2 + 4p − 5 − 6p3 + 2p2 − 8p − 2 + 6p + 8
Rearranging and collecting the like terms
= (2-6)p3 +(−3+2)p2 + (4-8+6)p − 5-2+8
= -4p3 −p2 +2p +1
APPEARS IN
RELATED QUESTIONS
Write the following using literals, numbers, and signs of basic operations:
y decreased by 7
Write the coefficient of z in −7xz
Write the numerical coefficient of −6bc
Write the constant term of \[4 y^2 - 5y + \frac{3}{5}\]
Subtract:
10x2 from −7x2
From the sum of 3x2 − 5x + 2 and −5x2 − 8x + 6, subtract 4x2 − 9x + 7.
If A = 7x2 + 5xy − 9y2, B = −4x2 + xy + 5y2 and C = 4y2 − 3x2 − 6xy then show that A + B + C = 0.
Number of pencils bought for Rs x at the rate of Rs 2 per pencil is ______.
Give expression for the following case.
p multiplied by − 5
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
- The worth of x coins of ₹ 5 each ______.
- The worth of x coins of ₹ 2 each ______.
- The equation formed is ______.
- There are ______ 5 rupee coins and ______ 2 rupee coins.
