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Mamont248 [21]
3 years ago
9

Add the polynomias:(8x^2-5x+7)+(7x^3-3x)​

Mathematics
2 answers:
mezya [45]3 years ago
3 0

Answer:

7x^{3} + 8x^{2} -8x + 7

Step-by-step explanation:

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

xxMikexx [17]3 years ago
3 0

Answer:

7x³ + 8x² -8x + 7

Step-by-step explanation:

8x² - 5x +7 + 7x³ - 3x

7x³ + 8x² + (-5x -3x ) + 7

7x³ + 8x² -8x + 7

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