Answer:
x = 13.5°
Step-by-step explanation:
Angles 2 + 3 = a straight line, so 180°
180 - 66 = 114 = angle 2
114 = 10x - 21
114 + 21 = 10x
135 = 10x
135 / 10 = x
13.5 = x
C is the best one I'm pretty sure it makes the most sense
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Step-by-step explanation:
Given polynomials are:
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Both polynomials have to be multiplied. We will use distributive property for the said purpose
So,

Combining alike terms

Hence,
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Keywords: Polynomials, Multiplication
Learn more about polynomials at:
#LearnwithBrainly
Answer:
5x-2
Step-by-step explanation:
2x+3x=5x
5-7=-2
Answer:
32
Step-by-step explanation:
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