Find the LCM (least common multiple) of (5x-9) and (3x+ 8)
1 answer:
In order to get the LCM of two binomial expressions (5x - 9) and (3x + 8), you need to factor first each binomial if factorable.
In this given binomial expression (5x - 9) and (3x + 8), you do not need to factor both because they are not factorable.
Next thing to do is to multiply the two binomial expressions by using FOIL method.
(5x - 9)(3x + 8) = 15x^2 + 40x - 27x - 72 = 15x^2 + 13x - 72
Therefore, the LCM of (5x - 9) and (3x + 8) is 15x^2 + 13x- 72.
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Answer:
D. y = -5/7x + 5
Step-by-step explanation:
5x + 7y = 35
-5x -5x
7y = 35 - 5x
/7 /7 /7
y = 35/7 - 5/7 x
y = 5 - 5/7x
