Step-by-step explanation:
1. Area of Rectangle = length × width
A = l × w
= (x - 3) × (4x)
A = 4x² - 12x cm
2. Area of Square ABCD = x² - 14x + 49 cm²
get the square root of x² - 14x + 49 cm², and the answer is (x - 7) cm
Check:
Area of Square = a² = (x - 7)² = (x - 7) (x - 7) = x² - 7x - 7x + 49 = x² - 14x + 49
Answer:
check mo nlng Kung tama
kung Mali ok lng
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Answers & Comments
Step-by-step explanation:
1. Area of Rectangle = length × width
A = l × w
= (x - 3) × (4x)
A = 4x² - 12x cm
2. Area of Square ABCD = x² - 14x + 49 cm²
get the square root of x² - 14x + 49 cm², and the answer is (x - 7) cm
Check:
Area of Square = a² = (x - 7)² = (x - 7) (x - 7) = x² - 7x - 7x + 49 = x² - 14x + 49
Answer:
check mo nlng Kung tama
Step-by-step explanation:
kung Mali ok lng