Question

9x^4 +15x^3–2x^2 +7x–8

Answer 1

Answer:

$29x^{6} - 8$

Step-by-step explanation:

$9x^{4} + 15x^{3} = 24x ^{7}$

$24x ^{7} - 2x^{2} = 22x^{5}$

$22x^{5} + 7x^{1} = 29x^{6}$