Expand the Following: (2x - 5) (2x + 5) (2x- 3)

Expand the following:
(2x - 5) (2x + 5) (2x- 3)

Sum

(2x - 5) (2x + 5) (2x- 3)
= (4x² - 25) (2x - 3)
= 8x³- 12x² - 50x + 75
(Using identity : (x - a) (x + b)
= x² - (a - b) x - ab).

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Chapter 3: Expansions - Exercise 4.1

Chapter 3 Expansions
Exercise 4.1 | Q 1.5

Factorise the following:

`27p^3-1/216-9/2p^2+1/4p`

Simplify the following:

0.76 x 0.76 - 2 x 0.76 x 0.24 x 0.24 + 0.24

Write in the expanded form: (-2x + 3y + 2z)²

Simplify (2x + p - c)² - (2x - p + c)²

Find the following product:

If a + b + c = 9 and a²+ b² + c² =35, find the value of a³ + b³+ c³ −3abc

Evaluate: `(3"x"+1/2)(2"x"+1/3)`

Evaluate: (2 − z) (15 − z)

Simplify by using formula :
(x + y - 3) (x + y + 3)

Simplify:
(1 + x)(1 - x)(1 - x + x²)(1 + x + x²)