Question

$m(x + 3) = 7x + 8 \\ \\ halle \: \: \: m(5) + m(2) \\ \\ a)16 \: \: \: \: b)18 \: \: \: \: c)20 \: \: \: \: d)22 \: \: \: \: e)23$
polinomios ayuden porfa​

Answer 1

$m(x + 3) = 7x + 8 \\ \\ x + 3 = 5 \\ x = 2\\ m(5) = 7 \times 2 + 8 \\ m(5) = 22 \\ \\ x + 3 = 2 \\ x = - 1\\ m(2) = 7( - 1) + 8 \\ m(2) = 1 \\ \\ m(5) + m(2) \\ 22 + 1 \\ 23$