multiply. (4 √ 7-9√ 5)(√7+7√5)
thanks!
it says none of those are right
(4√7 - 9√5)(√7 + 7√5) =
4 * 7 + 28√35 - 9√35 - 63 * 5 =
28 + 19√35 - 315
-287 + 19√35
(4 â 7-9â 5)(â7+7â5) = 4*7 + 28*â35 - 9â35 - 63*5 = 19â35 - 287
Copyright © 2024 1QUIZZ.COM - All rights reserved.
Answers & Comments
Verified answer
(4√7 - 9√5)(√7 + 7√5) =
4 * 7 + 28√35 - 9√35 - 63 * 5 =
28 + 19√35 - 315
-287 + 19√35
(4 â 7-9â 5)(â7+7â5) = 4*7 + 28*â35 - 9â35 - 63*5 = 19â35 - 287