Question

c) 14m² - 17x² - 4x²+ 5m² + 8 m² - 2x²=
1) 9t³ - 7 4t³ + 15t³ + 18 - 2t³=​

Answer 1

Explicação passo-a-passo:

$1)14 m^{2} - 17x ^{2} - 4x ^{2} + 5m ^{2} + 8m ^{2} - 2x ^{2} = \\ 14m {}^{2} + 5m {}^{2} + 8m {}^{2} - 17x {}^{2} - 4x {}^{2} = \\ 27m {}^{2} - 21x {}^{2} \\ b)9t {}^{3} - 74t {}^{3} + 15 t {}^{3} + 18 - 2t {}^{3} = \\ - 65t {}^{3} + 15t {}^{3} - 2t {}^{3} + 18 = \\ - 52t {}^{3} + 18$