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 7.05

If x² + y² = 29 and xy = 2, find the value of x + y.

If a² + b² + c² = 250 and ab + bc + ca = 3, find a + b + c.

The factors of x⁴ + x² + 25 are

Divide: 8m - 16 by - 8

Divide: 4x³ - 2x² by - x

Divide: 10a³ - 15a²b by - 5a²

Complete the table.

If x = 2 and y = 3, then find the value of the following expressions

x + 1 – y

The figure shows the dimensions of a wall having a window and a door of a room. Write an algebraic expression for the area of the wall to be painted.

The value of 3x² – 5x + 3 when x = 1 is ______.