Question

( 7 x4 + 4 x² + 7x + 2) - ( 68 + 8x + 3) ayuda te doy corona​

Answer 1

Respuesta:

$(28 + 4 {x}^{2} + 1 x + 2) - (71 + 8 x) = (30 + 4 {x}^{2} + 1x) - 71 - 8x = 30 + 4 {x}^{2} + 7x - 71 - 8x = 30 - 71 = - (71 - 30) = 41 + 4x {x}^{2} - x$

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