Question

simplifique as expressões

Answer 1

a

$(x+1)^{2} +(x+2)^{2} \\x^{2} + 2x+ 1 + x^{2} +4x+4= 2x^{2} +6 + 5$

b

$4x^{2} +4x+1 + 9x^{2} +6x +1= 13x^{2} +10x+2$

c

$5x-4x^{2} -12x - 9 = -4x^{2} -7x-9$

d

$x^{2} +10x+25 - x^{2} -3x=-7x+25$