Question

a^2-3a-4=0 ;find a=?

remember if you type wrong answer then james charles will make you g@y
so if you dont know the answer then plz shut up

Answer 1

Answer:

a = 4, -1

Step-by-step explanation:

a² - 3a - 4 = 0

We can write -3a as -4a + a

So we get,

a² - 4a + a - 4 = 0

Take a as common,

a(a-4) + (a-4) = 0

Now take (a-4) as common,

(a-4)(a+1) = 0

So we can say that a - 4 or a + 1 = 0

So a is equal to 4 or -1