(x+7)²-77=x² with explanation
Answers
Answered by
1
hello users.........
we have to solve the quadratic equation
(x+7)²-77=x²
solution:-
using formula :
(a+b)²= a² + b² + 2ab
here .
(x+7)²-77=
= x² +7² +14x -77
= x² +49 -77 +14x
= x² +14x-28 = x²
=> 14x-28 = 0
=> 14x=28
=> x= 2 answer
⭐✡ hope it helps ✡⭐
we have to solve the quadratic equation
(x+7)²-77=x²
solution:-
using formula :
(a+b)²= a² + b² + 2ab
here .
(x+7)²-77=
= x² +7² +14x -77
= x² +49 -77 +14x
= x² +14x-28 = x²
=> 14x-28 = 0
=> 14x=28
=> x= 2 answer
⭐✡ hope it helps ✡⭐
Ankit1408:
if you like it then please mark it as a brainlist answer
Similar questions