Question

porfavor ayuden x ²+ ( x/4 + 16) ² = 40²

Answer 1

$x^{2} +( \frac{x}{4} +16)^{2}=40^{2} \\ \\ x^{2} + \frac{x^{2}}{16}+8x+256=1600 \\ \\ 17x^{2}+128x+ 4096=25600 \\ \\ 17x^{2}+128x-21504=0 \\ \\ (17x+672)(x-32)=0 \\ \\ x= \frac{-672}{17}\ o\´\ x=32$