Simplify the following expressions: (4a+5b) (4a+7b) – (3a+4b) (3a+6b)
Answers
Answered by
3
Answer:
8a² + 11b² + 18ab
Step-by-step explanation:
(4a + 5b)(4a + 7b) - (3a + 4b)(3a + 6b)
(16a² + 28ab + 20ab + 35b²) - (9a² + 18ab + 12ab + 24b²)
(16a² + 48ab + 35b²) -(9a² + 30ab + 24b²)
16a² + 48ab + 35b² - 9a² - 30ab - 24b²
8a² + 18ab + 11b²
Similar questions