It is: (x-7)(x+7) when factored
63
7 x 7 = 49
7 squared can be expressed as a product of the same factor by multiplying 7 by itself. Therefore, 7 squared can be written as 7 x 7.
No.
No.
63
7 x 7 = 49
7 squared can be expressed as a product of the same factor by multiplying 7 by itself. Therefore, 7 squared can be written as 7 x 7.
49 x 49 = 492 = 2401
(x)(x)
x^2 + x -x^2 +1 =x+1
49 = (±7)2 x2<=49 => -7 <= x <= 7
Factor tree for 49:49/ \7 x 7497,7
Seven squared = 7 x 7 = 49
No.
No.
x=7