Question

how to find this

pls find this ​

Answer 1

Step-by-step explanation:

1.sol:-ax+by-ay-bx

=ax-bx-ay+by

=x(a-b) -y(a-b)

=(a-b) (x-y)

2.sol:-x²+ax+bx+ab

=x(x+a)+b(x+a)

=(x+a) (x+b)

3.sol:-3x²+12xy

=3x(x+4y)

4.sol:-20p²+10apq

=5p(4p+2aq)