Question

Find the factor using identities:
1) x2 + 4x + 4
2) p2 - 6p + 9
3) m2 + 50p + 625
4) x2 - 10x +25
5) 4p2 - 4p + 1
6) 25p2 + 20p + 4
7) x2 - 25
8) x4 - 625
9) p4 - 16
10) 7x2 - 175

Answer 1

Answer:

answer 1 : using identity (a+b) ²=a²+2ab+b²

x²+4x+4

=(x) ²+2(x) (2) +(2) ²

=(x+2) ²

Step-by-step explanation:

using the above mentioned identity we can observe that the in equation first and last number was in square .so, we can write it as a²+2ab+b²