Question

question no 26. a²-b²-4ac+4c²? factories ​

Answer 1

this is the answer of your question

Answer 2

Step-by-step explanation:

a 2−b 2 −4ac+4c 2

=a 2−4ac+4c 2 −b2

=(a−2c) 2 +(2c−b)(2c+b)