Advertisements
Advertisements
Question
Find the sum of: 9x2 – 6x + 7, 5 – 4x and 6 – 3x2
Solution
9x2 – 6x + 7, 5 – 4x and 6 – 3x2
9x2 – 6x + 7 + 5 – 4x + 6 – 3x2
= 9x2 - 3x2 - 6x - 4x + 7 + 5 + 6
= 6x2 - 10x + 18
APPEARS IN
RELATED QUESTIONS
Identify the terms, their coefficients for the following expressions.
5xyz2 − 3zy
Constant is only 8 other is variable ax + 9
Write the degree of the following polynomial: 7 – 3x2y + y2
Add : - 9x, 3x and 4x
Simplify: p + q – (p – q) + (2p – 3q)
Factorised form of r2 – 10r + 21 is ______.
38x3y2z ÷ 19xy2 is equal to ______.
Identify term which contain x and give the coefficient of x.
1 + x + xy
Arjun bought a rectangular plot with length x and breadth y and then sold a triangular part of it whose base is y and height is z. Find the area of the remaining part of the plot.
Amisha has a square plot of side m and another triangular plot with base and height each equal to m. What is the total area of both plots?
