Expand the Following: (3x + 4) (2x - 1)

Expand the following:
(3x + 4) (2x - 1)

Sum

(3x + 4) (2x - 1)
= 6x²- 3x + 8x - 4
= 6x² + 5x - 4
(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 1.4

Give possible expression for the length and breadth of the following rectangle, in which their area is given:

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(3x + 2y + 2z) (9x² + 4y² + 4z² − 6xy − 4yz − 6zx)

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