Question

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(6) 20x2 + 13x – 21
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Answer 1

Answer:

$\: \: \: \: 20 {x}^{2} + 13x - 21$

$= 2 0{x}^{2} + (28 - 15)x - 21$

$= 20 {x}^{2} + 28x - 15x - 21$

$= 4x(5x + 7) - 3(5x + 7)$

$= (5x + 7)(4x - 3)$

Answer 2

Step-by-step explanation:

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