10x+10y+100
There is a common 10 in each number.
10(x+y+10)
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x2 + 10y + 25 doesn't factor neatly. If that was x2 + 10x + 25, it would factor to (x + 5)(x + 5) or (X + 5)2
y + x = 9 10y + 20x = 100 This is a basic linear system of equalities. We can start by rewriting the first equation as: -10y - 10x = -90 by multiplying the equation by -10, from here we can eliminate y and solve for x (-10y - 10x = -90) + (10y + 20x = 100) = (10x = 10) This yields x = 1, and by plugging x into the first equation y = 8
X=7 y=5
+13x +10y -3x -4ysimplified is+10x +6y.I think this write but not really he use the method write
10y plus 40 equals 50y.