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Murrr4er [49]
3 years ago
6

10 points (d+6)(2d2−d+7)

Mathematics
2 answers:
Naya [18.7K]3 years ago
8 0

Answer:

(d+6) (2d)(2-d+7)

Step-by-step explanation:

(d+6) (2d)(9-d)

(d+6)(18d-2d²)

(d+6)(2d²-18d)

(d+6)(2(9)-18(9)

(d+6)(18-162)

(d+6)(-144)

-144d-54=0.......... multiply the given equation

with(-) minus

144d+54=0

d=54\144

d=1/2.67

Katyanochek1 [597]3 years ago
4 0
It’s 4d-5=2d+7 try my best
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