Question

(x+4)(x+3)=(2-x)(7-x)

Answer 1

(х+4)(х+3)=(2-х)(7-х)
х²+3х+4х+12=14-2х-7х+х²
х²+7х+12=х²-9х+14
х²+7х+12-х²+9х-14=0
16х-2=0
16х=2
х=0,125