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Tresset [83]
3 years ago
8

What are all the solutions of x2 + 3x – 4 = 0?

Mathematics
2 answers:
Ulleksa [173]3 years ago
8 0
X^2 +3x-4=0
(X+4)(x-1)=0 so x = -4 and x=1 are solutions
Tom [10]3 years ago
5 0

x² + 3x - 4 = 0 →  (-4 = -1 * 4 or -2 * 2)  →  -1 + 4 = 3 and -2 + 2 = 0

(x - 1) (x + 4) = 0

x - 1 = 0       x + 4 = 0

<u>   +1 </u>   <u>+1 </u>      <u>  -4  </u>   <u>-4 </u>

   x = 1              x = -4  

Answer: 1, -4

           

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