factorise a²-16a+63
Answers
Answered by
0
Answer:
a=9 or,a=7
Step-by-step explanation:
a square-16a+63=0
a square-9a-7a+63=0
a (a-9)-7(a-9)=0
(a-9)(a-7)=0
a=9 or,a=7
Answered by
0
Solution
a² - 16a + 63
a² - 7a - 9a + 63
a(a - 7) -9(a - 7)
(a-9)(a-7)
Similar questions