Evaluate the expression when a=2 and b=-7 . -8b+a square square

To evaluate the expression $-8b + a$ when $a = 2$ and $b = -7$, we substitute the given values into the expression.<br /><br />$-8(-7) + 2 = 56 + 2 = 58$<br /><br />Therefore, the value of the expression is 58.