Question

plzz solve this question I will mark as brainliest please

Answer 1

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Here is your answer

The Sum is
$3 {x}^{2} - 5x + 2 + ( - 5 {x}^{2} - 8x + 6 ) \\ = 3 {x}^{2} - 5 {x}^{2} - 5x - 8x + 2 + 6 \\ = - 2 {x}^{2} - 13x + 8$
Now Subtract
$4 {x}^{2} - 9x + 7 - ( - 2 {x}^{2} - 13x + 8) \\ = 4 {x}^{2} + 2 {x}^{2} - 9x + 13x + 7 - 8 \\ = 6 {x}^{2} + 4x - 1$


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Answer 2

Answer:

C mathematical operations are a group of functions in the standard library of the C programming language implementing basic mathematical functions. All functions use floating-point numbers in one manner or another. Different C standards provide different, albeit backwards-compatible, sets of functions.

Step-by-step explanation:

10thanks plzz