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when 4 is subtracted from the square of a number the result is 3 times the number find the negative solution

User Sunilr
by
7.6k points

1 Answer

5 votes

Answer: -1

Explanation:


x^(2) -4\\ = 3
x


x^(2) -3x-4=0


x^(2) -x(4-1)-4=0\\x^(2) -4x+x-4=0\\(x+1)(x-4)=0\\x=-1 , x=4

hence, -1 is the solution

User Trosendal
by
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