A=7X-3Y+8,B=2X-5Y, show that multiplication of polynomial is commutative
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Frst AB
14x^2-35xy-6xy+15y^2+16x-40y
14x^2-41xy+15y^2+16x-40y
Now BA
14x^2-6xy+16x-35xy-15y^2-40y
AB=BA
14x^2-35xy-6xy+15y^2+16x-40y
14x^2-41xy+15y^2+16x-40y
Now BA
14x^2-6xy+16x-35xy-15y^2-40y
AB=BA
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