3 years ago

CAN SOMEONE HELP ME PLEASE

Mathematics

1 answer:

Gre4nikov [31]3 years ago

6 0

A right angles is 90 degrees, which means that 90-55= x
x = 35 degrees

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Diano4ka-milaya [45]

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x = 0, -4 and -3.

Step-by-step explanation:

The given expression is "3x to the power of 3 + 21x squared + 36x = 0".

We can write this expression as follows :

$3x^3+21x^2+36x=0$

Taking 3x common.

$3x(x^2+7x+12)=0\\\\3x=0\ \text{and}\ (x^2+7x+12)=0$

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