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ANEK [815]
2 years ago
14

Simplify (2x-5y)^3-(2x+5y)

Mathematics
1 answer:
vesna_86 [32]2 years ago
5 0

Answer:

4x-10y thingi 3

Step-by-step explanation:

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All factors of x cubed minus 6x squared plus 11x minus 6
miv72 [106K]

Answer:

Step-by-step explanation:

x³-6x²+11x-6

put x=1

1³-6×1²+11×1-6=1-6=11-6=0

by synthetic division

1| 1 -6  11   -6

|     1  -5    6

|----------------

| 1  -5  6 |0

x²-5x+6=0

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3 years ago
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Slav-nsk [51]

Step-by-step explanation:

Let grandson's age be x.

Let grandpa's age be y {equation : y = 8+5x}

so,

x + y = 88

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or, 6x + 8 =88

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or, x = 80/6

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so grandson's age = 13.33

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