Question

3(х+4)в квадрате=10x+32

Answer 1

3(x^2+8x+16)=10x+32

3x^2+24x+48-10x-32=0

3x^2+14x+16=0

d=b^2-4ac=196-12*16=4

x1=-14+2/ 6=-2

x2=-16/6=-2целых 2/3 

 

Answer 2

3(х^2+8x+16)=10x+32

3x^2+24x+48-10x-32=0

3^x+14x+16=0

D/4=7^2-3*16=1

x1=(-7+1)/3=-2

x2=(-7-1)/3=-2 2/3