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They asked which was equivalent not whats the value of the expression -_-
The area of the outer square = (x+5)² = x² + 10x + 25
The area of the inner square = (x-2)² = x² - 4x + 4
The area of the shaded region = (x² + 10x + 25) - (x² - 4x + 4)
= x² + 10x + 25 - x² + 4x - 4
= 14x + 21 square units
Answer:
‐15−8= ‐15 + -8
‐15−(‐8)= ‐15 + 8
Step-by-step explanation:
‐15−8 = -23
‐15 + -8 = -23
‐15−(‐8) = -7
-15+8 = -7
