Question

5. Simplify the following expressions and find the value when x = -2, y = 1. IV. -2(x2 - y2 + xy) – 3(x2 + y2
- xy)​

Answer 1

Answer:

-2 { -2^2 - 1^2 + (-2×1)} -3 { -2^2+ 1^2 - (-2×1)}

=-2 { 4-2 -2 } -3 { 4+2+2 }

= -2 × 0 -3 × 8

= 0-24

= -24 answer

Step-by-step explanation:

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