Advertisements
Advertisements
Question
Simplify.
(8m2 + 3m − 6) − (9m − 7) + (3m2 − 2m + 4)
Solution
(8m2 + 3m − 6) − (9m − 7) + (3m2 − 2m + 4)
= 8m2 + 3m − 6 − 9m + 7 + 3m2 − 2m + 4
= 8m2 + 3m2 + 3m − 9m − 2m − 6 + 7 + 4
= 11m2 − 8m + 5
APPEARS IN
RELATED QUESTIONS
Add the given polynomials.
`x^3 - 2x^2 - 9 ; 5x^3 + 2x + 9`
Add the given polynomial.
`-7m^4 +5m^3 + sqrt2 ; 5m^4 - 3m^3 + 2m^2 + 3m - 6`
Subtract the second polynomial from the first.
`x^2 - 9x + sqrt 3 ; -19x + sqrt 3 +7x^2`
Multiply the given polynomial.
`2y + 1 ; y^2 - 2y^3 + 3y`
Divide first polynomial by second polynomial and write the answer in the form ‘Dividend = Divisor × Quotient + Remainder’.
`5x^5 + 4x^4 - 3x^3 + 2x^2 +2;x^2-x`
There is a rectangular farm with length `(2a^2 + 3b^2)` metre and breadth `(a^2 + b^2)` metre. The farmer used a square shaped plot of the farm to build a house. The side of the plot was `(a^2 - b^2)` metre.
What is the area of the remaining part of the farm?
Subtract the second polynomial from the first.
`5x^2 - 2y + 9 ; 3x^2 + 5y - 7`
Subtract the second polynomial from the first.
`2x^2 + 3x + 5 ; x^2 -2x + 3`
Multiply the following polynomial.
`(5m^3 - 2) (m^2 - m + 3)`
