Answered

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I need the answer! I snap a pic to try n get it but no answer lol someone help!!! I’m on the clock

I Need The Answer I Snap A Pic To Try N Get It But No Answer Lol Someone Help Im On The Clock class=

Sagot :

The given equation is

x^2 + 7x = 8

By subtracting 8 from both sides, it becomes

x^2 + 7x - 8 = 0

We would find two terms such that their sum or difference is 7x and the product is - 8x^2. The terms are - x and 8x. Replacing 7x with - x and 8x, we have

x^2 - x + 8x - 8 = 0

By factorising, we have

x(x - 1) + 8(x - 1) = 0

Since x - 1 is common, it becomes

(x + 8)(x - 1) = 0

x + 8 = 0 or x - 1 = 0

x = - 8 or x = 1

Option C is correct

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