1.

(x²-1)(y²-4)+xy factorize​

Answer»
  1. STEP 1- x2 - 1 × y2 - 4 + XY
  2. Step 2- MULTIPLY x2×y2= -1×(-4) ans is x2 y2 + 4 + xy
  3. Step 3- x2 y2 +xy + 4
  4. Step 4- ans x3+y3+4


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