Home
Class 8
MATHS
Add the algebraic expressions: 7/2x^3-1...

Add the algebraic expressions: `7/2x^3-1/2x^2+5/3,3/2x^3+7/4x^2-x+1/3,3/2x^2-5/2x-2`

Text Solution

Verified by Experts

`7/2x^3-1/2x^2+5/3,3/2x^3+7/4x^2-x+1/3,3/2x^2-5/2x-2`
`=x^3(7/2+3/2)+x^2(-1/2+7/4+3/2)-x(1+5/2)+(5/3+1/3-2)`
`=5x^3+(11/4)x^2-(7/2)x`
Promotional Banner

Topper's Solved these Questions

  • COMPOUND INTEREST

    RD SHARMA|Exercise All Questions|129 Videos

Similar Questions

Explore conceptually related problems

Simplify the following algebraic expressions: 3x^3-4x^2+2x-5-8x^3+3x^2-8x-2+3x+1

Write the numerical coefficient of each terms in the following algebraic expressions: (i) 4x^2y-3/2x y+5/2x y^2 (ii) -5/3x^2y+7/4x y z+3

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^4-5a b^3+7a^3b-6a^2b^2+b^4

In the algebraic expression 5x^2y+7x y^2-3x y-4y x^2, we have 5x^2y and -4y x^2 as like terms, whereas 7x y^2 and -3x y are unlike terms.

Factorize each of the following algebraic expressions: 6x(2x-y)7y(2x-y)2r(y-x)+s(x-y)7a(2x-3)+3b(2x-3)9a(6a-5b)-12a^(2)(6a-5b)

If the lengths of the three sides of a triangle in units are (7)/(3)x^(3)-(1)/(2)x^(2)+(5)/(3),(3)/(2)x^(3)+(7)/(4)x^(2)-x+(1)/(3) and (3)/(2)x^(2)-(5)/(2)x-2 then its perimeter is

Find the value of the expression 2x^(3)+2x^(2)-7x+72 when x=(3+5sqrt(-1))/(2)

Find the value of x: 5x-2(2x-7)=2(3x-1)+7/2

int (6x^(3) + 5x^(2)-7)/(3x^(2)-2x-7)dx