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ladessa [460]
3 years ago
7

Write (9x-5y)(2x+3y) as a polynomial

Mathematics
1 answer:
marta [7]3 years ago
6 0
(9x - 5y)(2x + 3y)
9x(2x + 3y) - 5y(2x+ 3y)
9x(2x) + 9x(3y) - 5y(2x) - 5y(3y)
18x² + 27xy - 10xy - 15y²
18x² + 17xy - 15y²
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X+y=5<br> x^y+y^x=17<br> solve for the value of y and x
pentagon [3]
X = 2 
<span>y = 3 </span>

<span>2 + 3 = 5 </span>
<span>2³ + 3² = 17 </span>

<span>------------------- </span>

<span>BUT: </span>

<span>x + y = 5 </span>
<span>x^y + y^ x = 17 </span>

<span>y = 5 - x</span>
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What is matrix X if 0.5X=A? Matrix A=[6 -12 4 6].
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See attachment

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