Answer:1
Step-by-step explanation:
<span>3x2(7x2 − 9)
Multiply 3x^2 by 7x^2 and -9(Use distributive property)
Final Answer: D.) 21x^4 - 27x^2</span>
He is incorrect because you can multiply unlike terms like y and x and you'll get xy but you can't add unlike terms like 13x+16y is the simplest it can be.
Answer:
-g-10h
Solution:
How to solve your problem
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5
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Simplify
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Distribute
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Eliminate redundant parentheses
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Combine like terms
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4
Combine like terms
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1
0
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Answer:
31°
3
108°
Step-by-step explanation:
The measure of angle ADB is congruent to the measure of angle CBD, so it is equal to 31°.
4x = 12
divide by 4 on both sides and you are left with x=3
angle A is congruent to angle C, so it is equal to 108°.
Hope this helps!