Solving the Equation (x+4)(x+6) = (x+1)(x+12)
This equation involves expanding brackets and simplifying to solve for the unknown variable 'x'. Let's break down the steps:
1. Expand the Brackets
- Left-hand side:
- (x+4)(x+6) = x(x+6) + 4(x+6) = x² + 6x + 4x + 24 = x² + 10x + 24
- Right-hand side:
- (x+1)(x+12) = x(x+12) + 1(x+12) = x² + 12x + x + 12 = x² + 13x + 12
2. Simplify the Equation
Now our equation becomes: x² + 10x + 24 = x² + 13x + 12
3. Solve for 'x'
- Subtract x² from both sides: 10x + 24 = 13x + 12
- Subtract 10x from both sides: 24 = 3x + 12
- Subtract 12 from both sides: 12 = 3x
- Divide both sides by 3: x = 4
Solution
Therefore, the solution to the equation (x+4)(x+6) = (x+1)(x+12) is x = 4.
Verification: We can substitute x = 4 back into the original equation to verify our answer:
- (4+4)(4+6) = (4+1)(4+12)
- (8)(10) = (5)(16)
- 80 = 80
This confirms that our solution x = 4 is correct.