Question

factorise:
1) a^2+a-90
2) a^2+2a-15​
plz answer

Answer 1

Answer:

Step-by-step explanation:

1)a²+10x-9x-90

a(a+10)-9(x+10)

(a+10)(a-9)

2)a²+5a-3a-15

a(a+5)-3(a+5)

(a-3)(a+5)

Answer 2

$\huge\frak\green{gm}$$\huge\frak\red{Mate}$

Here is ur answer

a²+a-90

a²+10a-9a-90

a(a+10)-9(a+10)

(a+10)(a-9)

a²+2a-15

a²+5a-3a-15

a(a+5)-3(a+5)

(a-3)(a+5)

★hope it helps uh!!!!!!