Question

roots of the quadratic equation X square + 2 x minus 15 is equal to the zero is​

Answer 1

Answer:

x^2+2x-15=0

(Splitting the middle term)

x^2+5x-3x-15=0

x(x+5)-3(x+5)=0

(x+5)(x-3)=0

x= -5 or x= 3

Hope it's helpful

Answer 2

Answer:

x2 + 2x - 15 =0

x2+5x-3x-15 =0

x(x+5) -3(x+5)=0

(x-3)(x+5)=0

x=3,-5

I hope it is help for you