Question

give me answer on maths class 8​

Answer 1

Answer:

4x^2+20x+25

Step-by-step explanation:

(2x+5)^2

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

so( 2x)^2+ (5 )^2+2×2x×5

=4x^2+20x+25