Algebra-1

To expand the expression (2a - 3)(a + b - 5), we can use the distributive property and multiply each term of the first expression by each term of the second expression:

(2a - 3)(a + b - 5) = 2a * (a + b - 5) + (-3) * (a + b - 5)

Expanding further:

= 2a² + 2ab - 10a - 3a - 3b + 15

Combining like terms:

= 2a² + 2ab + (-

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