Multiply: (2x + 3y)(2x + 3y) - Mathematics

Multiply: (2x + 3y)(2x + 3y)

Sum

(2x + 3y)(2x + 3y)

⇒ 2x (2x + 3y) + 3y(2x + 3y)

⇒ 4x² + 6xy + 6xy + 9y²

⇒ 4x² + 12xy + 9y²

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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (C)

Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (C) | Q 7.01

Factorize (x + 2)(x² + 25) -10x² - 20x

Factorize `x^2 - 2sqrt2x - 30`

Factorize the following expressions:

`8x^2y^3 - x^5`

x³ - 8y³ + 27z³ +18xyz

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

Divide: 4a² - a by - a

Divide: m³ − 4m² + m + 6 by m² − m − 2

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 in the form of an algebraic expression:

Area of a square is square of its side.

Find the average (A) of four quantities p, q, r and s. If A = 6, p = 3, q = 5 and r = 7; find the value of s.