Question

Find the square of - 2a+b

Answer 1

Answer:

4a²+b²+4ab

Step-by-step explanation:

(2a+b)²=(2a)²+(b)²+2(2a)(b)

=4a²+b²+4ab

Answer 2

Answer:

Hey!! Ur answer:

${( - 2a + b)}^{2} \\ = {( - 2a)}^{2} + 2( - 2a)(b) + {b}^{2} \\ = 4a^{2} - 4ab + {b}^{2}$

Step-by-step explanation:

Hope it helps u!! Please mark me Brainliest✌

Keep Rocking~

#BLADEGIRL