Question

what is the coefficient of x^4 in the polynomialp(x) = 3x^4 - x (5x^3 + 8x^2+2)+7​

Answer 1

Answer:

$3 {x}^{4} - x(5 {x}^{3} + 8 {x}^{2} + 2) + 7 \\ = 3 {x}^{4} - 5 {x}^{4} - 8 {x}^{3} - 2x + 7 \\ = - 2 {x}^{4} - 8 {x}^{3} - 2x + 7$

So, The coefficient of x^4 is -2

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$Answer:</p><p></p><p>\begin{gathered}3 {x}^{4} - x(5 {x}^{3} + 8 {x}^{2} + 2) + 7 \\ = 3 {x}^{4} - 5 {x}^{4} - 8 {x}^{3} - 2x + 7 \\ = - 2 {x}^{4} - 8 {x}^{3} - 2x + 7 \end{gathered}3x4−x(5x3+8x2+2)+7=3x4−5x4−8x3−2x+7=−2x4−8x3−2x+7</p><p></p><p>So, The coefficient of x^4 is -2</p><p></p><p>Step-by-step explanation:</p><p></p><p>Hope it will be helpful...please mark me as brainliest and follow me...☺☺☺❤️❤️❤️❤️❤️❤️</p><p></p><p>$