Question

Determina o valor numerico
15x2+x-3,2 para x=5

Answer 1

$15 x^{2} +x-3,2 \to para, x=5\\\\\\15* 5^{2} +5-3,2\to\\\\ 15*25+5-3,2\to \\\\375+5-3,2\to\\\\ 380-3,2\to\\\\ 376,8$