Question

Simplify.
(x - √ 7)^2

Answer 1

http://www.algebra.com/algebra/homework/Exponents.faq.question.125915.html

Answer 2

(x - √ 7)^2--- expand

(x - √ 7)(x - √ 7)-- foil it
http://www.purplemath.com/modules/polymult2.htm

Answer 3

then combine like terms

Answer 4

The answers are
a)x^2 + 7

b) x^2-2x√7 + 7

or

c) x^2-2x√7 + 2√7

Answer 5

what did you get when you foil it