the value of three quantities A, B, C, are 2×² + 3×-5,8×²+42 18×²-4×-9 respectiv...

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the value of three quantities A, B, C, are 2×² + 3×-5,8×²+42 18×²-4×-9 respectively give the total value of three quantities

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Answer:

$28x^{2} + 7x + 38$

Step-by-step explanation:

Structure the equation and combine like-terms. We then get:

$18x^{2} + 4x -9\\ + 2x^{2} + 3x + 5\\+ 8x^{2} + 0x + 42$

After adding the like-terms, we then get 38 for the constant term. Then we get 7x for the second coefficient. And 28x² for the first/leading coefficient.

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Add an Answer

Learning Task 3: Find the indicated angle. Write your answer on a sepa- rate she...

DIRECTIONS: Read the questions carefully and write the letter of the correct ans...

Write a narrative on how you perform cleaning PC or laptop using any tools and p...

sagutin ng mga sumusunod na pahayag isulat ang sagot sa iyong sagutang papel tat...

sa... 3. Sa pamamagitan ng ekspresyong batay sa ... ay ipahayag ang pananaw ng p...

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