QX=X4-2X3+7X3+7X-2,RX=X3-X2+4 CALUCLATE QX-RX
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Now, let's move things up a bit and, for reasons which will become clear in a moment, copy the x3 into the last row. x2 + 6x + 7 x-2 x3+4x2- 5x -14. 2x2. 12x 14.
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Step-by-step explanation:iuttttttttttttttttttttt3344444444444444444444
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