Question

simplify a square bracket a minus b + C + b square A + B minus C minus A square A minus b minus C​

Answer 1

Answer:

=4733-435

Step-by-step explanation:

Answer 2

Let me tell you the formula for ↓

★(a+b+c)2

= (a+b)2 + c2 + 2c(a+b) (a+b+c)2 =a2+b2+2ab+c2+2ac+2bc =a2+b2+c2+2ab+2ac+2bc

★(a - b - c)²

= (a - b - c)(a - b - c)

= a(a - b - c) - b(a - b - c) - c(a - b - c)

= a² - ab - ac - ab + b² + bc - ac + bc +

c²

= a² + b² + c² - 2ab - 2ac + 2bc

Hope! it helps you.

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