Answer:
−2y2−2y+7
Step-by-step explanation:
−4y−7y2+5y2+7+4y−2y
=−7y2+5y2+7+0−2y
=−2y2+7+0−2y
=−2y2−2y+7
Answer:
i need answers
Step-by-step explanation:
The roots of the polynomial are done by using a calculator will be -2.3671, 2.1835 + 1.2527i, and 2.1835 – 1.2527i.
<h3>What are the roots of the polynomial?</h3>
The polynomial is given below.

The roots of the polynomial are equal to n or less than n.
And if one imaginary root is a + bi, then the other imaginary root will be a – bi.
The roots of the polynomial are done by using a calculator.
x = -2.3671, 2.1835 + 1.2527i, 2.1835 – 1.2527i
More about the roots of the polynomial link is given below.
brainly.com/question/1514617
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1/3 * x square = 16
x square =16*3
x square =48
therefore x=4 under root 3
Answer:
34
Step-by-step explanation:
the angle is a right angle meaning the sum of each angle equals 90. 90-56=34