Question

Value of (2a-b) ×(-3a-5) when a=0 and b=1 ​

Answer 1

$(2a - b) \times ( - 3a - 5) \\ =(2 \times 0 - 1) \times ( - 3 \times 0 - 5) \\ =( - 1) \times ( - 5) \\ =5$

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