Question 14
Algebraic ExpressionsFactorize completely 9y2 − 16x2.
- A.(3y − 2x)(3y + 4x)
- B.(3y + 4x)(3y + 4x)
- C.(3y + 2x)(3y − 4x)
- D.(3y + 4x)(3y − 4x)
Show the answer and explanation
Answer: D ((3y + 4x)(3y − 4x))
Explanation
Difference of two squares: (3y)2 − (4x)2 = (3y + 4x)(3y − 4x).