Question

(a²+3a-4)factorise ​

Answer 1

Answer:

(a-1) (a+4)

Step-by-step explanation:

a^2 +4a-a-4

a(a+4)-1(a+4)

(a+4) ( a-1)

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Answer 2

a^2 + 3a + -4 = 0

Reorder the terms:

-4 + 3a + a^2 = 0

Solving

-4 + 3a + a^2 = 0

Solving for variable 'a'.

Factor a trinomial.

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

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