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What is the solutions of x2 = –5x + 8?
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What is the solutions of x2 = –5x + 8?

User Tomazzlender
by
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1 Answer

6 votes

Answer:


x=√(14.25) -2.5, x=-√(14.25)-2.5

Explanation:

Since moving it to one side can't be factored, I'm going to complete the square.


x^2+5x=8


x^2+5x+6.25=8+6.25


(x+2.5)^2=14.25


x+2.5=√(14.25)


x=√(14.25) -2.5, x=-√(14.25)-2.5

User Bhushan Goel
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