Answer:
(10x-y)^2
Step-by-step explanation:
1
Rewrite it in the form {a}^{2}-2ab+{b}^{2}a2−2ab+b2, where a=10xa=10x and b=yb=y.
{(10x)}^{2}-2(10x)(y)+{y}^{2}(10x)2−2(10x)(y)+y2
2
Use Square of Difference: {(a-b)}^{2}={a}^{2}-2ab+{b}^{2}(a−b)2=a2−2ab+b2.
{(10x-y)}^{2}(10x−y)2
