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Chapter 1: Q. 412 (page 92)

For the following exercises, evaluate each expression.

3x2-2xy+4y2whenlocalid="1644418506893" x=-2,y=-3

Short Answer

Expert verified

The value of the given expression is36.

Step by step solution

01

Step 1. Given information

3x2-2xy+4y2;x=-2,y=-3

02

Step 2. Evaluate expression

3x2-2xy+4y2=3-22-2-2-3+4-32usex=-2,y=-3=34-26+49=12-12+36=36

Hence, the value of the given expression is36.

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