Question

Simplify the following algebraic expressions (m²+5)(m² - 4) - 18​

Answer 1

M^4 + m^2 - 2

Explanation:

(m^2 + 5)(m^2 -4) - 18 =

m^4 + 5m^2-4m^2-20 -18 =

m^4 + m^2 - 2