The correct answer to the question is 2
4√25-6√10+6√10-9√4
4×5-9×2
20-18
2
Answered by Gauthmath must click thanks and mark brainliest
Answer:
2
Step-by-step explanation:
(2√5+3√2)(2√5-3√2)
These are conjugate pairs
(a+b)(a-b) = a^2 - b^2
(2 sqrt(5)) ^2 - (3 sqrt(2)) ^2
2^2 *5 -3^2 *2
4*5 - 9*2
20 - 18
2
