Sum is add
sum of x and 2 means x+2
nothing to it
Answer:
25x² − 20x + 4
Explanation:
(5x − 2)²
= (5x + −2)(5x + −2)
= (5x)(5x) + (5x)(−2) + (−2)(5x) + (−2)(−2)
= 25x² − 10x − 10x + 4
= 25x² − 20x + 4
0.75^2 = 0.5625.....sq rt 0.5625 = 0.75
40√3+432/7 is the answer
Hope this helps :D
