The value of the expression is -53.
An expression or algebraic expression is any mathematical statement which consists of numbers, variables and an arithmetic operation between them.
Given expression
m2 - 71 +22..................(1)
m = -2 and n = 5
Substitute m = -2 and n = 5 in equation(1)
⇒ m2 - 71 +22
⇒ (-2) × 2 - 71 + 22
⇒ -4 -71 +22
⇒ -75 + 22
⇒ -53
Hence, the value of the expression is -53.
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