8x^2 + 6xy + 9y^2 - 4m^2
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Answer:
Step-by-step explanation:
Final result :
8x2 + 6xy + 9y2 - 4m2
Step by step solution :
Step 1 :
Equation at the end of step 1 :
(((8•(x2))+6xy)+(9•(y2)))-22m2
Step 2 :
Equation at the end of step 2 :
(((8 • (x2)) + 6xy) + 32y2) - 22m2
Step 3 :
Equation at the end of step 3 :
((23x2 + 6xy) + 32y2) - 22m2
Step 4 :
Final result :
8x2 + 6xy + 9y2 - 4m2
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