(11x - 88)/15 ÷ (x - 8)/35x
NOTE : 1)Factorise any of the terms as this may enable cancellation to take place.
2) When dividing by a fraction, invert the fraction and multiply.
(11x - 88)/15 ÷ (x - 8)/35x = 11(x - 8)/15 x 35x/(x - 8) = 11/3 x 7x = 77x/3
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35x + 115 = 360 35x = 360-115 35x = 245 x = 245/35 x = 7
3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x
42x+35x-35x=42x it's leave 85 so it's change into a negative 42x-85 is the answer
x3 + 2x2 - 35x = x(x + 7)(x - 5)
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