Multiply: (X - A)(X + 3b) - Mathematics

Multiply: (x - a)(x + 3b)

Sum

(x - a)(x + 3b)

⇒ x (x + 3b) - a (x + 3b)

⇒ x² + 3bx - ax - 3ab

shaalaa.com

Is there an error in this question or solution?

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

Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (C) | Q 7.07

Factorize a² - b² + 2bc - c²

Factorize the following expressions:

a³ + b³ + a + b

Factorize x³ -12x ( x - 4) - 64

Simplify : \[\frac{1 . 2 \times 1 . 2 \times 1 . 2 - 0 . 2 \times 0 . 2 \times 0 . 2}{1 . 2 \times 1 . 2 + 1 . 2 \times 0 . 2 + 0 . 2 \times 0 . 2}\]

Write the number of the term of the following polynomial.

5x² + 3 x ax

Evaluate: - 4y (15 + 12y - 8z) (x - 2y)

Divide: 35a³ + 3a²b - 2ab² by 5a - b

The area of a rectangular field is 25x2 + 20xy + 3y2 square unit. If its length is 5x + 3y unit, find its breadth, Hence find its perimeter.

The simplest form of 5 ÷ `(3/2) - 1/3` is ______.

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?