Question

please answer me please please ​

Answer 1

Answer:

Step-by-step explanation:

f)( 4$x^{2}$ - 6$y^{2}$) x ( 5 x^2 +2 x y - 3 y^2)

= 20 x^4+ 8 x^3 y - 18 x^2 y^2 -12 x  y^3 +18 y^4

g) x^4 + x^2 - 6

h) a^3 + b^3 - c^3 + 2 b^c