Question

(0.4a^2-1.5b^2)
please give me ANS​

Answer 1

Step-by-step explanation:

0.4a^2-1.5b^2 =4/10 x^2-15/10 b^2

=1/10(4 x^2-15b^2)

=1/10((2x)^2-(root15 b)^)

=1/10(2x+(root15)b)(2x-(root15)b)