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SIZIF [17.4K]
3 years ago
13

I am stuck on this please help!

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

<h2>20 {x}^{3}  - 36 {x}^{2}  + 7x +  3</h2>

Solution,

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

= 5x(2x - 1) + 1(2x - 1) \times (2x - 3)   \\  = (10 {x}^{2}  - 5x + 2x - 1)(2x - 3) \\  = (10 {x}^{2}  - 3x - 1)(2 x - 3) \\  = 10 {x}^{2} (2x - 3) - 3x(2 x - 3) - 1(2x - 3) \\  = 20 {x}^{3}  - 30 {x}^{2}  - 6 {x }^{2}  + 9x - 2x + 3 \\  = 20 {x}^{3}  - 36 {x}^{2}  + 7x + 3

Hope this helps..

Good luck on your assignment...

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