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agasfer [191]
3 years ago
14

(5x + 4)(3x2 – 7x – 2)

Mathematics
1 answer:
Vaselesa [24]3 years ago
7 0

Answer:

 5x4 - 3x2 + 9x - 7

Step-by-step explanation:

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 (((5•(x4))+7x)+2)-((3x2-2x)+9)

Step  2  :

Equation at the end of step  2  :

 ((5x4 +  7x) +  2) -  (3x2 - 2x + 9)

Step  3  :

Checking for a perfect cube :

3.1    5x4-3x2+9x-7  is not a perfect cube

Trying to factor by pulling out :

3.2      Factoring:  5x4-3x2+9x-7  

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