Math, asked by sheikheyamin2007, 3 months ago

(x + 7)(x - 7) ? Solve this

Answers

Answered by saisiddhardha2003

1

Step-by-step explanation:

(x^2-49)=0

x^2=49

x=√49

x=7

Answered by rahulthakur1722006

0

Answer:

( x+7) ( x-7 )

By using identity a^2- b^2=( a+b) ( a-b)

= x×x-7×7

=x^2-49

keep this equal to zero

x^2= 49

x = √49

x= +7,-7 ANS

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