Question

from the sum of x square - y square + 1 and 2 x square + 3y square - 3,subtract the sum of x square +4 and y square -5.



Algebraic expressions

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Answer 1

Answer:

=[x^2-y^2+1+2x^2+3y^2-3] - [x^2+4+y^2-5]

=[3x^2+2y^2-3]-[x^2+y^2-1]

=2x^2+y^2-2