Question

Simplify
value
combining like terms & find the value
of the expression a²-ab - b²+ b(a-b)
if a= (-2), b = 1​

Answer 1

Answer:

is 2

Step-by-step explanation:

here is your answer

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Answer 2

Answer:

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

$a = ( - 2) and \: b = 1$

put the value

$( - 2) {}^{2} - ( - 2)(1) - 1 {}^{2} + 1( - 2) - 1$

4 + 2 - 1 - 2 - 1

6 - 4 = 2

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