Math, asked by naveenvarma392, 5 months ago

If speed of car is(X+7)km/hr. Find the distance covered by the car (x-7)hrs?

Answers

Answered by cashacolonel

0

Answer:

distance=speed×time

Step-by-step explanation:

distance=(x+7)(x-7)

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

x^2-7x+7x-49

x^2-49=0

x=7km

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