karenpalacio26 karenpalacio26

26-08-2020
Mathematics

contestada

f(x)=x^2+7x-30
I need to solve it

Respuesta :

26-08-2020

Answer:

x = 3, -10

Step-by-step explanation:

Step 1: Write out quadratic

f(x) = x² + 7x - 30

Step 2: Set quadratic equal to 0

0 = x² + 7x - 30

Step 3: Factor quadratic

0 = (x - 3)(x + 10)

Step 4: Find roots

x - 3 = 0

x = 3

x + 10 = 0

x = -10

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