Advertisements
Advertisements
Question
Simplify: 5(x − 4) − 3(x − 4) + 7(x − 4)
Simplify
Advertisements
Solution
5(x − 4) −3(x − 4) +7(x − 4)
Since (x − 4) is common to all terms, we factor it out
[5 − 3 + 7] (x − 4)
Simplify 5 − 3 + 7
5 − 3 + 7 = 9
9(x − 4)
Expand 9(x − 4)
9(x − 4) = 9x − 36
The simplified expression is:
9(x − 4) or 9x − 36
shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract: 5a - 3b + 2c from 4a - b - 2c
The perimeter of a rectangle is 28x3+ 16x2 + 8x + 4. One of its sides is 8x2 + 4x. Find the other side
Simplify: x - (x - y) - y - (y - x)
Multiply: 6a - 5b and - 2a
Copy and complete the following multiplication:
4x3 − 10x2 + 6x − 8
× 3 + 2x − x2
Evaluate: (3x - 2y)(4x + 3y)
Multiply: x3 - 3y3 and 4x2y2
Multiply: x2 + 5yx - 3y2 and 2x2y
Simplify: `"6k"/7 - ("8k"/9 - "k"/3)`
Simplify: `"x" + "x"/2 + "x"/3`
