23 X 0 = 0
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_//(2*2) - 4x - 7// * _//2// = 0 4* 12x - 7 * 122/100 = 0 28*12x * ((28*12)/122) = 0 (23/10 * x) * ((23/10 * x)/122) = 0 23/10 *x = 0 / ((23/10 *x)122) 23/10 *x = 0 23/x = 10 x = 2.3
X + Y = 23 XY = 132 Y = 23-x xy = x (23-x) = 23x -x2= 132 x2-23x+132 = 0 (X-11)(x-12) = 0 X = 11 Y = 12
187
1011 = 1 x 23 + 0 x 22 + 1 x 2 + 1 x 1 = 11
xy=24 and y=23-x so x(23-x)=24, which is x2-23x+24 = 0, and you solve this using the formula method to get approximately 21.95 and 1.05 If the product had been 23 and the sum 24 the equation would have factorized easily and you would have 1 and 23