1. If A-B = 4 and ab = half, then (a + b) is square=_____ 2. (a + b) square = (a-b) square + m, then the Formula M represents is=_____ 3. (a + b) square = 16, xy = 3, then (a-b) square=_____ 4. (a + B + C) square = () square + 2B () + b square 5. Given x + y = 7, xy = 2, find the values of the following formulas (1) The value of 2x square + 2Y square the value of (2) (X-Y) square

1. If A-B = 4 and ab = half, then (a + b) is square=_____ 2. (a + b) square = (a-b) square + m, then the Formula M represents is=_____ 3. (a + b) square = 16, xy = 3, then (a-b) square=_____ 4. (a + B + C) square = () square + 2B () + b square 5. Given x + y = 7, xy = 2, find the values of the following formulas (1) The value of 2x square + 2Y square the value of (2) (X-Y) square

1. Given A-B = 4, ab = half, then (a + b) square = 182, (a + b) square = (a-b) square + m, then the formula of M is = 4ab3, (a + b) square = 16, xy = 3, then (a-b) square = 44, (a + B + C) square = (a + C) square + 2B (a + C) + b square 5, given x + y = 7, xy = 2, find the following formula