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Which of the following is a quadraticequaction?a. X3+1 =x2+2xO b. (x+1)2=3O c. x2 +2x =x2+1o d. x + 1 =x |
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Answer» B (x+1)2=3 Step-by-step EXPLANATION: SQUARE the BRACKET and you will get x2+2x+1=3 x2+2x-2=0 |
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