Question

Find the product of the algebtaic expressions (2x square -5x +1) (7x square 3 -5x square +3x +2)

Answer 1

Step-by-step explanation:

2x² - 5x + 1 × 7x² - 5x² + 3x + 2

2x² - 5x + 1. × 2x² + 3x + 2

2x⁴ + 6x³ + 4x² -10x² - 15x² - 10x + 2x² + 3x + 2

=> 2x⁴ + 6x³ -19x² -7x + 2

Answer 2

Answer :

= ( 2 x ^2 - 5 x + 1 ) ( 7 x ^2 + 3 - 5 x ^2 + 3 x + 2 )

= ( 2 x ^2 - 5 x + 1 ) ( 2 x ^2 + 5 + 3 x )

= 2 x ^2 ( 2 x ^2 + 5 + 3 x ) - 5 x ( 2 x ^2 + 5 + 3 x ) + 1 ( 2 x ^2 + 5 + 3 x )

= 4 x ^4 + 10 x ^2 + 6 x ^3 - 10 x ^3 - 25 x - 15 x ^2 + 2 x^2 + 5 + 3 x

= 4 x ^4 - 13 x ^2 - 4 x ^3 - 22 x + 5

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