arrange vertically and add:. 3x^2-5y^2+7z^2. and. 5x^2+3y^2-6z^2 please do it in vertical method
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By vertical method
2x2−6x+3−3x2−x−4−3x2+2x+1−4x2−5x+0
By horizontal method
2x2−6x+3−3x2−x−4−3x2+2x+1=−4x2−5x+0
1=2 both answer are same
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