Question

(1/2x-y) (3x/2+y) solves answer​

Answer 1

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Answer 2

Answer:

Sufficient because we are able to solve the equations y=-3x and y=-4(x+1) -3x=-4x-4 x=-4 and y =12. Hence y-x^2-x=12-(16)-(-4) = 12-12=0