Question

factorise
1-2a-3asquare ​

Answer 1

Answer:

-[(a+1)(3a+1)]

Step-by-step explanation:

$1 - 2a - 3a{}^{2}$

$- (3 {a}^{2} + 2a - 1)$

$- (3 {a}^{2} + 3a - a - 1)$

$- (3a(a + 1) - 1(a + 1))$

$- ((a + 1)(3a + 1))$

HOPE IT HELPS YOU....

MARK AS BRAINLIST....

BE BRAINLY....

Answer 2

Answer:

1-2a-3a²

=1-3a+a-3a²

=1(1-3a)+a(1-3a)

=(1-3a) (1+a)

I hope it will help you...........