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elena-s [515]
3 years ago
6

Find the solution set for x2 + 3x – 40 = 0.

Mathematics
1 answer:
Temka [501]3 years ago
8 0
I am going to assume that x2 = x squared
So: X^2 + 3x -40 
= (X+8)(X-5)=0

X+8 = 0
X= - 8

The other solution is X -5 = 0
X = 5

Therefore the solution set is {-8, 5}
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