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Hi! can you help me with this?
x²-x = 156​

User Glyuck
by
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1 Answer

5 votes

Answer:

x = - 12 , x = 13

Explanation:

x² - x = 156 ( subtract 156 from both sides )

x² - x - 156 = 0 ← in standard form

(x - 13)(x + 12) = 0 ← in factored form

equate each factor to zero and solve for x

x + 12 = 0 ⇒ x = - 12

x - 13 = 0 ⇒ x = 13

User FPGA
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