Math Help Please I'm stuck on this problem and the text isnt helping?

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Simplify. (7 + SQRT 3)(7 - SQRT 3)

2007-04-01 16:16:38 · 4 answers · asked by djlurch52@sbcglobal.net 1 in Science & Mathematics ➔ Mathematics

Difference in squares.
= 49-3
= 46

2007-04-01 16:21:42 · answer #1 · answered by Anonymous · 0⤊ 0⤋

a^2 - b^2 = (a+b)(a-b)

the expression is in the from (a+b) (a-b)

7^2 - (sqrt(3))^2

49 - 3

46

2007-04-01 23:22:40 · answer #2 · answered by 7 · 0⤊ 0⤋

49 - 3 = 46

SQRT 3 = square root of 3.

2007-04-01 23:25:21 · answer #3 · answered by Thomas C 6 · 0⤊ 0⤋

49 - 7SQRT3 + 7SQRT3 - 3

49 - 3

46

2007-04-01 23:21:55 · answer #4 · answered by gvfordo 2 · 0⤊ 0⤋