Evaluate 531^2 - 2 531 530 + 530^2.

We see that 531^2 - 2 531530 + 530^2 = (531-530)^2 = 1^2 = 1.

jmc

algebra intermediate

Problem

Evaluate

53 1^{2} - 2 \cdot 531 \cdot 530 + 53 0^{2}

Solution

We see that

53 1^{2} - 2 \cdot 531 \cdot 530 + 53 0^{2} = (531 - 530)^{2} = 1^{2} = 1

Final answer