Answer:
x = 6
Step-by-step explanation:
cross-multiply:
10(56) = 35(10+x)
560 = 350+35x
210 = 35x
x = 6
The root is 10 because 2x5 is 10 so that’s ur answer
Given a quadratic equation

the quadratic formula states that the solutions are

Plug your values to get

Which evaluates to

So, the two solutions are

Answer:
Step-by-step explanation:
area =l^2
=7^2
=49 km^2