The square of a number exceeds 4 times the number by 5. What is the number?
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Answered by
0
Answer:
I think the number is eight
Answered by
1
Answer:
search in this
Step-by-step explanation:
x^2 = 4x +5
x^2–4x-5=0
x^2. +x -5x-5 =0
=> x(x+1) - 5(x+1)=0
=> ( x+1) (x-5) = 0
x+1=0 or x-5 =0
x=-1 or x=5
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