Answer:
x² +14x-15=0
=>x²+15x-x-15=0
=> x(x +15)-1(x+15)=0
=> (x-1)(x+15)=0
=> x = 1 or,x=-15
Answer: x = 1
Step-by-step explanation:
x^2 + 14x - 15 = 0
x^2 + 14x = 15
x^ + 14x = 15
1 + 14 = 15
So X must = 1
because 14 + 1 = 15
hope this helps mark me brainliest if it did
