Question

5b+7a-20x
plss solve this with steps the correct answer will be marked brainlist ​

Answer 1

Answer:

once check

Step-by-step explanation:

what should we solve in this pls mention question properly

Answer 2

Answer:

5b + 7a -20x

Identity = (a+b+c)^2 = a^2 + b^2+ c^2 +2ab+ 2bc+ 2ca

a=7a

b=5b

c= -20x

• (7a)^2 + (5b)^2 + (-20x)^2 +2(7a)(5b) + 2(5b)(-20x)+ 2(-20x)(7a)

• 49a^2 + 25b^2 + 400x^2 + 70ab -200bx - 280ax

Here is your answer

Step-by-step explanation:

Hope it helps mate!