2 years ago

Solve by factoring. x2-49 = 0 X=

Mathematics

2 answers:

lina2011 [118]2 years ago

8 0

Answer: Ok so just remember

difference of 2 perfect squares

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

(x)^2-(7)^2=(x-7)(x+7)

set to zero

x-7=0

x=7

x+7=0

x=-7

x=-7 or 7

Hope this helps have a awesome night/day❤️✨

Step-by-step explanation:

Archy [21]2 years ago

3 0

24 1/2 or 24.5 is the answer

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