resolve into factors a²+8a+15
Answers
Answered by
1
Answer:
factors are -5 and -3
Step-by-step explanation:
a²+8a +15
a²+ 5a+3a + 15
a( a+5) + 3 (a+5)
(a+5) (a+3)
a=-5 and a=-3
Answered by
0
Answer:
just do middle term breaking
Step-by-step explanation:
a² + 3a + 5a + 15
a ( a + 3 ) + 5 ( a + 3 )
( a + 3 ) ( a + 5 )
factors are
a + 3 = 0
a = - 3
a + 5 = 0
a = - 5
Similar questions