mrholton21 mrholton21

12-02-2021
Mathematics

contestada

Factor the following: x
[tex]{x}^{2} + 8x + 15[/tex]

Respuesta :

12-02-2021

Answer:

Step-by-step explanation:

Use the quadratic formula to find the roots of x²+8x+15

x = [-8±√(8²-4·1·15)]/[2·1] = [-8±√4]/2 = -3, -5

make factors from the roots

x²+8x+5 = (x+3)(x+5)

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