The quadratic equation 2x^2+4x-30=0 has two solutions. one of the solutions is x=3 the other solution is?

Step-by-step explanation:

so we know that the sum of the two solutions is -2 and the multiplication -15

so we are looking for x so that

x+3=-2 and 3x=-15

it gives x = -5

another way to do it is to put (x-3) in factor as we know that 3 is one of the solutions it gives

and then the second solution is -5

ye

step-by-step explanation: