Question

IfA=3x2+5xy-4y2,B=-4x2+xy+2y2andC=4y2-5x2+3y,find

thevalueofA+B+C. (Answer fast)​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

A = 3x^2+5xy-4y^2

B = -4x^2+xy+2y^2

C = -5x^2+3y+4y^2

A+B+C = 3x^2+5xy-4y^2-4x^2+xy+2y^2-5x^2+3y+4y^2

= -6x^2+6xy+3y+2y^2

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