Question

solve 5x²-22x-15=0 by factorization method​

Answer 1

Answer:

-3/5

Step-by-step explanation:

By using middle term split method,

5x

2

−22x−15=0

⇒5x

2

−25x+3x−15=0

⇒5x(x−5)+3(x−5)=0

⇒(x−5)(5x+3)=0

Either x−5=0⇒x=5 or 5x+3=0⇒x=− 3/5