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Simplifying (W + 7)(w + 3) = 0 Reorder the terms: (7 + W)(w + 3) = 0 Reorder the terms: (7 + W)(3 + w) = 0 Multiply (7 + W) * (3 + w) (7(3 + w) + W(3 + w)) = 0 ((3 * 7 + w * 7) + W(3 + w)) = 0 ((21 + 7w) + W(3 + w)) = 0 (21 + 7w + (3 * W + w * W)) = 0 (21 + 7w + (3W + wW)) = 0 Reorder the terms: (21 + 3W + 7w + wW) = 0 (21 + 3W + 7w + wW) = 0 Solving 21 + 3W + 7w + wW = 0 Solving for variable 'W'. Move all terms containing W to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + 3W + 7w + -21 + wW = 0 + -21 Reorder the terms: 21 + -21 + 3W + 7w + wW = 0 + -21 Combine like terms: 21 + -21 = 0 0 + 3W + 7w + wW = 0 + -21 3W + 7w + wW = 0 + -21 Combine like terms: 0 + -21 = -21 3W + 7w + wW = -21 Add '-7w' to each side of the equation. 3W + 7w + -7w + wW = -21 + -7w Combine like terms: 7w + -7w = 0 3W + 0 + wW = -21 + -7w 3W + wW = -21 + -7w Reorder the terms: 21 + 3W + 7w + wW = -21 + -7w + 21 + 7w Reorder the terms: 21 + 3W + 7w + wW = -21 + 21 + -7w + 7w Combine like terms: -21 + 21 = 0 21 + 3W + 7w + wW = 0 + -7w + 7w 21 + 3W + 7w + wW = -7w + 7w Combine like terms: -7w + 7w = 0 21 + 3W + 7w + wW = 0 The solution to this equation could not be determined.
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