2x^2 +5x-1 =0. This equation has two roots, please tell how to find out if both the roots has the same or different signs.
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it cannot be solved with factorisation method to try to solve with formula method
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Answer:Different
Step-by-step explanation:
They have different signs.
Look at it from -1.
If both roots were of equal signs, it will have resulted into a positive integer.
ax^2 - bx + c = 0
2x^2 + 5x - 1=0
c = -1
Negative integer, therefore roots of different signs.
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