Question

(a+b⅝-c) ( a-b⅝- c)
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Answer 1

Answer:

-2ca + a² - b10 + c²

Step-by-step explanation:

a( a- b⅝ - c) + b⅝ ( a - b⅝ - c) - c ( a - b⅝ - c)

a² - ab⅝ - ac + ab⅝ - b10 - cb⅝ - ca + a² - b10 + c²

-ab⅝ + ab⅝ - ca - ca - cb⅝ + cb⅝ + a² - b10 + c²

-2ca + a² - b10 + c²