Factor out the GCF from the polynomial.4a(a - b) + (a - b)
A. (a - b)(4a + 1)
B. 5a(a - b)
C. 4a(a - b)
D. (4a2 - 4ab) + (a - b)
Answer: A
Mathematics
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A. 25
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C. 25
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A. b = 5.62, A = 13.3°, C = 126.7° B. b = 4.62, A = 126.7°, C = 13.3° C. b = 6.62, A = 13.3°, C = 126.7° D. b = 5.62, A = 126.7°, C = 13.3°
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Use factoring techniques to solve the equation.x2 + 4x = 45
A. {-9, 1} B. {-5, 9} C. {5, 9} D. {-9, 5}
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Add. Do not use a number line except as a check.-53 + 0
A. 53 B. 0 C. -530 D. -53
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