Step-by-step explanation:
x³ - 4x² - 25x + 100k
= x²(x - 4) - 25(x - 4k)
= (x² - 25)(x - 4k)
= (x + 5)(x - 5)(x - 4k)
Hence the other 2 zeroes are x = -5 or x = 5.
Answer:
m = 1/10
(A²)⁴ = A⁸
(D³)² = D⁶
(5⁴)² = 5⁸
5 x 0.6 = 5 x 6tenths, as 6/10 = 0.6
= 30 tenths
7 x 0.8 = 7 x 8tenths, as 8/10 is 0.8
= 56 tenths
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○ B) 624π mm.²
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