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CBSE Class 10 Answered

check whether the following are quadratic equations. 1) x2+3x+1=(x-2)2 2) (x+2)3=2x(x2-1)
Asked by ratendra.johri | 02 Jun, 2018, 06:22: PM
answered-by-expert Expert Answer
begin mathsize 16px style 1 right parenthesis
straight x squared plus 3 straight x plus 1 equals straight x squared minus 4 straight x plus 4....... straight x squared space will space be space cancelled...... not space quadratic
2 right parenthesis
straight x cubed plus 8 plus 6 straight x open parentheses straight x plus 2 close parentheses equals 2 straight x cubed minus 2 straight x...... straight x cubed space will space not space be space cancelled.... not space quadratic end style
Answered by Arun | 03 Jun, 2018, 01:49: PM
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