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ting how simple solutions can be achieved. Problem 1: Simplify the Expression 3(2x + 4) - 5x Solution: Distribute 3 inside the parentheses: 3 2x + 3 4 = 6x + 12 Rewrite expression: 6x + 12 - 5x Combine like terms: 6x - 5x + 12 = x + 12 Answer: x + 12 Problem 2: Solve for x: 2x + 5
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utive Property Distribute multiplication over addition: Example: 23 × 7 = (20 + 3) × 7 = (20 × 7) + (3 × 7) = 140 + 21 = 161. 5. Recognizing Perfect Squares and Special Products Memorize common squares and identities: Perfect squares: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, etc. Difference
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