Question

factorise
2a²+4b
3a²b-6ab²
(y-x)a+(x-y)b
(a-2b)²-4a+8b​

Answer 1

Step-by-step explanation:

∣∣∣∣∣∣∣∣a2a3aa+b3a+2b6a+3ba+b+c4a+3b+2c10a+6b+3a∣∣∣∣∣∣∣∣

R2→R2−2R1

=∣∣∣∣∣∣∣∣a2a−2a3aa+b3a+2b−2a−2b6a+3ba+b+c4a+3b+2c−2a−2b−2c10a+6b+3a∣∣∣∣∣∣∣∣

=∣∣∣∣∣∣∣∣a03aa+ba6a+3ba+b+