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What is the solution to 2x squared minus 3x squared plus 5x minus 4 when x equals negative 1?
This is not calculus. Please post this in the correct forum.
However, 2x2 - 3x2 +5x - 4 = -1
therefore -x2+4x-3 = 0
therefore x2-4x+3 = 0
therefore (x-3)(x-1)=0
therefore x = 3 or x = 1.
Put your questions in the correct category. Makes then more likely to be answered correctly.
What else can I help you with?
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