The expression xy + z represents the sum of the product of x and y with the value of z. This is a simple algebraic expression where x and y are variables representing numbers, and z is a constant value. To find the result of xy + z, you would first multiply x and y, and then add the value of z to the product.
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The only common factor to all terms is yz. → xy³z² + y²z + xyz = yz(xy²z + y + x)
xy + z = 9Subtract 'z' from each side:xy = 9 - zDivide each side by 'x':y = (9 - z) / x
xy + xy = 2xy
Z is halfway between X and Y.
xy + x + y + 1 = (x + 1)(y + 1).