solve 3x²y + 5xy² + 2xyz
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Answer:
1) when p = 0
so, 2p(p²-p+4)+6 = 2*0{(0)²-0+4}
= 0(0+4)
= 0*4
= 0 . Answer
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(2) {2x(1+x²+3x)+5x} + {4(x²+3x -1)}
= (2x +2x³+6x+5x) + (4x²+12x-4)
= 2x +2x³+6x+5x + 4x²+12x-4
= 2x³+4x²+25x -4 . Answer
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(3) 4x(x-y+5)-(2y(x+y-1))
= 4x²-4xy+20x -(2xy+ 2y²-2y)
= 4x²-4xy+20x - 2xy - 2y²+2y
= 4x²-2y²-6xy +20x +2y .. Answer
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(4) 2xy(x+y) - {3xy(x-y)}
= 2x²y + 2xy² - ( 3x²y - 3xy²)
= 2x²y + 2xy² - 3x²y + 3xy²
= -x²y + 5xy² ... Answer
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hope it is helpful!✌️
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