3 years ago

(5x2 + 4x + 3) - (2x2 - 2x + 5)

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

3x^2+6x-2

Step-by-step explanation:

(5x2 + 4x + 3) - (2x2 - 2x + 5)

5x^2+4x+3-2x^2+2x-5

3x^2+6x-2

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chubhunter [2.5K]

Answer:

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3 years ago

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A side of the triangle below has been extended to form an exterior angle of 164". Find

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Given:

Measure of exterior angle = 164°

The measure of opposite interior angles are x° and 53°.

To find:

The value of x.

Solution:

According to the Exterior Angle Theorem, in a triangle the measure of an exterior angles is always equal to the sum of measures of two opposite interior angles.

Using Exterior Angle Theorem, we get

$x^\circ+53^\circ=164^\circ$