inel9520 inel9520

18-12-2020
Mathematics

contestada

If the product of (x + 2) and (x + b) is equal to x ^ 2 + 7x + 10 what is the value of b?

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devishri1977 devishri1977

18-12-2020

Answer:

b = 5

Step-by-step explanation:

x² + 7x + 10 = x² + 5x + 2x + 2*5

= x(x + 5) + 2(x + 5)

= (x + 5) (x + 2)

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