Question

URGENT!!
$(x+a)^{2} -x(x+2a)$

Answer 1

$(x+a)^2 - x(x+2a) = x^2+2ax+a^2-x^2-2ax = a^2$

Answer 2

( x+ a)² - x( x+ 2a) =
x²+ 2xa+ a- x²- 2xa= a
x² se reduce cu -x²
2xa se reduce cu -2xa