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06-04-2020
Mathematics

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Find all possible solutions for the following equation
x²+7x+63=63

Respuesta :

nguyenngocquyen12c1 nguyenngocquyen12c1

06-04-2020

Answer:

Step-by-step explanation:

X^2+7x+63=63

<=> x^2+7x=63-63=0

<=> X(x+7)=0

<=> x1=0

X2=-7

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06-04-2020

Answer:

0 or -7

Step-by-step explanation:

x² + 7x + 63 = 63

⇔ x² + 7x + 63 - 63 = 0

⇔ x² + 7x = 0

⇔ x(x + 7) = 0

So either: x = 0

or x + 7 = 0 ⇔ x = -7

Answer Link

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