Question

${0.5x}^{2} - 0.6xy - {0.14x}^{2} + {0.25y}^{2} \: \: \: \: \: \: \: upon\ \: \: \: \: \: \: \: \: 1.2x + 0.7y - 0.6x - 1.2y$


(1) 0.6x +0.5y
(2)0.3x - 0.5y
(3) 0.2x -0.5y
(4)0.6x - 0.5y​

Answer 1

Answer:

answer is D

Step-by-step explanation:

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