plz solve (b) ,(c) ,(d).
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(b) 4x²y + 2xy² + (-x²y) - 5x²y² + 7x²y² + xy²
= 4x²y - x²y + 2xy² + xy² - 5x²y² + 7x²y²
= 3x²y + 3xy² + 2x²y²
(c) 3x²+12xy+4y²+4x²-6xy-2y²
= 3x²+4x²+12xy-6xy+4y²-2y²
= 7x²+6xy+2y²
(d)2p+3q+4r+4p-5q-6r-5p+2q+5r
= 2p+4p-5p+3q-5q+2q+4r-6r+5r
= p+3r
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Hey mate
Step-by-step explanation:
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