Math

x^2 - 49 = 0

Asked by AnneS2 on 01 Apr 05:09

Last updated by anonymous on 03 Apr 00:33

1 Answers

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Answered by CherieS on 03 Apr 00:33

x^2 - 49 = 0

(x )(x ) ( +7)( -7)

(x+7)(x-7)

Check:

(x+7)(x-7)

(x)(x) (x)(-7) (+7)(x) (+7)(-7)

x^2 -7x +7x -49

x^2 -49