4x² + 4x + 1 - a² + 8a - 16 Express it by difference between the two

1.	4x² + 4x + 1 - a² + 8a - 16 Express it by difference between the two squaresNO SPAMNO INCOMPLETE ANSWERANSWER SHOULD BE IN STEP BY STEP METHODPOINTS 7*10 THANKS = FOLLOW
Answer» Step-by-step EXPLANATION: (2X)²+2×2x×1+1²-(a²-2×a×4+4²) (a+b)²=a²+2ab+b² and (a-b)²=a²+b²-2ab so (2x+1)²-(a-4)²

4x² + 4x + 1 - a² + 8a - 16 Express it by difference between the two squaresNO SPAMNO INCOMPLETE ANSWERANSWER SHOULD BE IN STEP BY STEP METHODPOINTS 7*10 THANKS = FOLLOW

Answer»

Step-by-step EXPLANATION:

(2X)²+2×2x×1+1²-(a²-2×a×4+4²)

(a+b)²=a²+2ab+b² and (a-b)²=a²+b²-2ab

so (2x+1)²-(a-4)²