Question

Multiply (a² +2b²) and (5a - 36)​

Answer 1

Step-by-step explanation:

(a^2+2b^2)×(5a-36)

(a^2 × 5a + a^2 × (-36) + 2b^2 × 5a + 2b^2 × (-36))

(5a^3 - 36a^2 + 10ab^2 - 72b^2)

(5a^3 +10ab^2 -36a^2-72b^2)