Divide: 4a2 - a by - a

Divide: 4a² - a by - a

Sum

4a² - a by - a

`= (4"a"^2 - "a")/"-a" = "4a"^2/"-a" - "a"/"-a"`

= - 4a + 1

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Chapter 13: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (D)

Chapter 13 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (D) | Q 1.04

Factorize `2x^2 - 5/6x + 1/12`

Factorize 2( x + y)² - 9( x + y) - 5

`1/27 x^3 - y^3 + 125z^3 + 5xyz`

`(x/2 + y + z/3)^3 + (x/2 + (2y)/3 + z)^3 + (-(5x)/6 - y/3 - (4z)/3)^3`

Multiply: x²+ 4y² + 2xy − 3x + 6y + 9 by x − 2y + 3

Write the value of \[\left( \frac{1}{2} \right)^3 + \left( \frac{1}{3} \right)^3 - \left( \frac{5}{6} \right)^3 .\]

Divide:

n² − 2n + 1 by n − 1

Write the coefficient of x² and x in the following polynomials

`6 - 2x^2 + 3x^3 - sqrt(7)x`

Complete the table.

A student wrote an algebraic expression for “5 less than a number n divided by 3” as `n/3 - 5`. What error did the student make?