If Y = y, then it is 9y4 or 9Y4. If Y is not the same as y, then you can't simplify it any.
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x = 3y and x2 + y2 = 1600 9y2 + y2 = 1600 10y2 =1600 y2 =160 y = 12.65 in so x = 37.95 in, to the nearest hundredth of an inch
y6 x y2 y4 x y4 y2 x y2 x y4 y2 x y2 x y2 x y2
Yes, as x-y2=0
What do you want to convert it to? x2 + y2 = 2x If you want to solve for y: x2 + y2 = 2x ∴ y2 = 2x - x2 ∴ y = (2x - x2)1/2 If you want to solve for x: x2 + y2 = 2x ∴ x2 - 2x = -y2 ∴ x2 - 2x + 1 = 1 - y2 ∴ (x - 1)2 = 1 - y2 ∴ x - 1 = ±(1 - y2)1/2 ∴ x = 1 ± (1 - y2)1/2
x3+27y3 = (x+3y) · (x2-3xy+9y2)