jjansen568712 jjansen568712

08-07-2020
Mathematics

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What are the roots of the equation? x^2 − x − 42 = 0 Enter your answers in the boxes. X= X=

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masbrosur masbrosur

08-07-2020

Answer:

x = -6 and x = 7

Step-by-step explanation:

x² - x - 42 = 0

find two number which

a + b = -1

a*b = -42

a = -7

b = 6

x² - x - 42 = 0

(x-7)(x+6) = 0

x-7 = 0

x = 7

x +6 = 0

x = -6

Answer Link

zibahkeshiro zibahkeshiro

08-07-2020

Answer:-6 or 7

Step-by-step explanation:

Ver imagen zibahkeshiro

Answer Link

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