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| 1. |
Quadratic equations : ( x - 2 ) ( x + 1) = (x-1) (x+3) |
| Answer» (x−2)(x+1)=(x−1)(x+3)⟹x 2 +x−2x−2=x 2 +3x−x−3⟹x 2 −x 2 +x−2x−3x+x−2+3=0⟹−3x+1=0 | |