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elena-s [515]
3 years ago
11

Fill in the blank for Remainder Therom x 3 + x 2 - 21x - 45 = (x + 3)(x - 5)(x+?)

Mathematics
2 answers:
GarryVolchara [31]3 years ago
7 0
(3x+2)(2x+5) , (x-3)(x-1), (2x-3)(5x+1), (3x-1)^2? <span>(3x+2)(2x+5) ,
(x-3)(x-1),
(2x-3)(5x+1),
(3x-1)^2
</span>
icang [17]3 years ago
5 0
Not sure about remainder theorem but I'm sure that the last terms should all multiply tho the last term


see the expanded form is -45

so the last terms of each binomial should multiply to -45

3 times -5 times ?=-45
-15 times ?=-45
divide by -15
?=3

the question mark is 3
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