Question

1.The L.C.M of 4x^2 and 5x is
a.4x^2
b.5x
c.20x^2
d.20x^3
2.The additive inverse of 1/-a+b is
a. 1/-a-b
b. 1/a+b
c. 1/a-b
d. -a+b
​

Answer 1

Answer:

5x(4x^2)

20x^2+1

20x^3