Simplify each expression.

1)(sqrt7 + 5)(sqrt7 -6)


My answer is sqrt 7 - 30

Am I correct?

1 answer

no, you forgot the middle terms

(√7 + 5)(√7 - 6)
= 7 + 5√7 - 6√7 - 30 , using FOIL
= -23 - √7
Similar Questions
  1. simplify: 6sqrt7-sqrt7A. 6 sqrt7 B. 5 sqrt 7 C. 5 D. 6 Simplify: 2sqrt12+ sqrt3 A.5sqrt3 B. 3sqrt3 C. 2sqrt15 D. 3sqrt15 Need
    1. answers icon 2 answers
  2. Simplify the following expressionsqrt(7) (sqrt7 + sqrt35)=
    1. answers icon 1 answer
  3. Rationalize numerator.((sqrt7)-3/4)(sqrt7+3/sqrt7+3) I got that the answer is 7-9/4sqrt7+12= -2/4sqrt7+12
    1. answers icon 1 answer
  4. Simplify each radical expression. Leave in radical form. Show your work.6.sqrt 75 + sqrt 3 7. sqrt7(sqrt 14 + sqrt3 ) please.
    1. answers icon 3 answers
more similar questions