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Oxana [17]
3 years ago
13

49x^2 -_x + 16 Can someone help with the missing number

Mathematics
2 answers:
belka [17]3 years ago
8 0

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

mihalych1998 [28]3 years ago
5 0

Step-by-step explanation:

I'm guessing this is competing the perfect square

so it's 56

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Answer:

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denis23 [38]

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