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प्रश्न
Simplify:
2x2 − xy + 6x − 4y + 5xy − 4x + 6x2 + 3y
उत्तर
2x2 − xy + 6x − 4y + 5xy − 4x + 6x2 + 3y
Rearranging and collecting the like terms
= (2+6)x2 +(−1+5) xy + (6-4)x +(− 4+3)y
= 8x2 + 4xy + 2x − y
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