Cómo resolver ) 8. Verify a - (- b) = a + b for the following values of a and b ) a = 21 , b = 18 ) a = 118 , b = 125 ( ) a = 75; b = 84 (iv) a = 28 , b = 11 Use the sign of the box to make the statements

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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