jj3manning jj3manning

16-03-2020
Mathematics

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Solve ( x - 2)( x + 7) =0

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Onoriodefelix Onoriodefelix

16-03-2020

Answer:

x = 2 or

x = -7

Step-by-step explanation:

(x - 2)(x + 7) = 0

x - 2 = 0

Add 2 to both sides

x - 2 + 2 = 2 + 0

x = 2

OR

x + 7 = 0

Subtract 7 from both sides

x + 7 - 7 = 0-7

x = -7

Therefore

x = 2 or

x = -7

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