Question

which of the following equation has -5 as a root? 1)x^2-2x+5=0. 2)x^2+2x-15=0. 3)x^2-5x+6=0
4) x^2 +5x-6=0​

Answer 1

Answer:

2

Step-by-step explanation:

(-5)^2+2×-5-15=25-10-15=25-25=0