Advanced MathEasySubtracting a binomial in brackets
Advanced Math practice question
Which expression is equivalent to 8x − (3x + 2)?
- A. 5x − 2Correct
- B. 5x + 2
- C. 11x + 2
- D. 5x
Answer: A. 5x − 2
The subtraction applies to both terms: 8x − 3x − 2.
Why the other answers are wrong
- B. 5x + 2
- The 2 must be subtracted too.
- C. 11x + 2
- This adds 3x instead of subtracting.
- D. 5x
- This drops the 2.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.