no, you forgot the middle terms
(√7 + 5)(√7 - 6)
= 7 + 5√7 - 6√7 - 30 , using FOIL
= -23 - √7
Simplify each expression.
1)(sqrt7 + 5)(sqrt7 -6)
My answer is sqrt 7 - 30
Am I correct?
1 answer
1)(sqrt7 + 5)(sqrt7 -6)
My answer is sqrt 7 - 30
Am I correct?
1 answer