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Class 7 Algebraic Expressions
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Answer:
x⁴+4x³y²+2x²y³+6y⁴
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Step-by-step explanation:
= -3x³y²+2x²y³+ (-3x²y³- 5y⁴)
= -3x³y²+2x²y³ -3x²y³-5y⁴
= -3x³y² -x²y³-5y⁴
= x⁴+x³y²+x²y³+y⁴- (-3x³y²-x²y³-5y⁴)
= x⁴+x³y²+x²y³+y⁴+3x³y²+x²y³+5y⁴
= x⁴+4x³y²+2x²y³+6y⁴
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