Sagot :
Answer:
x²+2x-15=0
Step-by-step explanation:
Find the sum of the roots and the product of the roots.
-5+3=-2
-5(3)=-15
Make it into a quadratic equation
x²+2x-15=0
Why +2? Because we use the formula x²-b/a x + c/a=0 to make the quadratic equation. So :
x² - (-2/1)x + (-15)= 0
x²+2x-15=0
I hope it can help