Answer:
x = 0
x = -5/2
Explanation:
2x squared + 5 = 0
x (2x + 5) = 0
therefore...
and
2x + 5 = 0
2x = - 5
4/5 = x
0.8 = x
2^2 - 5x = 0
first, we must solve for exponents, as per PEMDAS.
4 - 5x = 0
4 = 5x
or x = 0.8
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