Question

10. (2а + b)2 - ба - 3b – 4​

Answer 1

Answer:

2a+b)

2

−6a−3b−4

=(2a+b)

2

−3(2a+b)−4

=(2a+b)

2

−4(2a+b)+(2a+b)−4

=(2a+b)((2a+b)−4)+1((2a+b)−4)

=(2a+b−4)(2a+b+1)

Answer 2

Answer:

is this a variable problem

Step-by-step explanation: