Divide: 15x2 + 31xy + 14y2 by 5x + 7y - Mathematics

Divide: 15x² + 31xy + 14y² by 5x + 7y

बेरीज

15x² + 31xy + 14y² by 5x + 7y

3x + 2y
`"5x" + "7y")overline("15x"^2 + 31"xy" + 14"y"^2)(`
15x² − 21xy
− −
10xy + 14y²
10xy + 14y²
− −
xxx
= 3x + 2y

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पाठ 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (D)

पाठ 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (D) | Q 2.1

Get the algebraic expression in the following case using variables, constants and arithmetic operations.

Sum of numbers a and b subtracted from their product.

x³ - 8y³ + 27z³ +18xyz

The factors of x⁴ + x² + 25 are

Evaluate: (8 - 12x + 7x² - 6x³)(5 - 2x)

Multiply: (xy + 2b)(xy - 2b)

Divide: - 16ab²c by 6abc

Divide: m² − 2mn + n² by m − n

Write in the form of an algebraic expression:

Perimeter (P) of a rectangle is two times the sum of its length (l) and its breadth (b).

Write the coefficient of x² and x in the following polynomials

`4 + 2/5x^2 - 3x`

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?