3 years ago

Factor the trinomial 3x^2+12x+9

Mathematics

1 answer:

blondinia [14]3 years ago

8 0

Answer:

x^2 + 4x + 3

Step-by-step explanation:

divide everything by 3

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126°

Step-by-step explanation:

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18 = 3x - 2x

18 = x

therefore, (3x)° = (3*18)°= (54)°

$m\angle SRW + (3x)\degree = 180\degree \\m\angle SRW + 54\degree = 180\degree \\m\angle SRW = 180\degree - 54\degree \\\huge\red{\boxed{m\angle SRW = 126\degree}}$

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Read 2 more answers