Question

(0.4a+0.5b)(0.4a+0.5b)
identity solve​

Answer 1

Answer:

0.16a^2+0.4ab+0.25b^2

Step-by-step explanation:

(0.4a+0.5b)(0.4a+0.5b)=(0.4a+0.5b)^2

(a+b)^2=a^2+2ab+b^2

(0.4a+0.5b)^2=(0.4a)^2+2(0.4a)(0.5b)+(0.5b)^2

=0.16a^2+0.4ab+0.25b^2