SIMPLIFY THIS POLYNOMIAL EXPRESSION:
4 (5X2 + 2) - (-4X2 + 7).
+ (- 3X2-5)
2 answers:
Answer:
21x^2-4
Step-by-step explanation:
Answer:
6x^2-10
Step-by-step explanation:
You add like terms. All the x^2 you add them and you add together the ones that are not multiplied by x. Make sure to distribute the negative.
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Answer:
B is the midpoint, so AB = BC; solve for x, which is 4. Then substitute 4 into 3x+2 (which is DE) and get 14.
Step-by-step explanation:
