mariolomeli123 mariolomeli123

16-02-2021
Mathematics

contestada

49x^2 -_x + 16

Can someone help with the missing number

Respuesta :

16-02-2021

Step-by-step explanation:

I'm guessing this is competing the perfect square

so it's 56

Answer Link

kaleat30040 kaleat30040

16-02-2021

Answer:

Step-by-step explanation:

4x² + 28x + 49

4x² + 14x + 14x + 49

2x(2x) + 2x(7) + 7(2x) + 7(7)

2x(2x + 7) + 7(2x + 7)

(2x + 7)(2x + 7)

(2x + 7)²

= 28

Answer Link

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