Question

let's factorise:

3+2a-a square​

Answer 1

Answer:

The answer is 4a - a^2

Hope it helps champ :)

Step-by-step explanation:

Answer 2

Answer:

$\huge\tt\fbox\red{answer}$

$3+2a−a2</p><p></p><p>=3+3a−a−a2</p><p></p><p>=3(1+a)−a(1+a)</p><p></p><p>=(3−a)(1+a)</p><p></p><p>Therefore</p><p></p><p>3+2a−a2=(3−a)(1+a)</p><p></p><p>$

Step-by-step explanation:

3+2a−a

2

=3+3a−a−a

2

=3(1+a)−a(1+a)

=(3−a)(1+a)

Therefore

3+2a−a

2

=(3−a)(1+a)