M+316=113*7
m+316=791
m=791-316
m=475
832:m=475-467
832:m=8
m=832:8
m=104
n+316=113*5
n+316=565
n=565-316
n=249
968:n=475-467
968:n=8
n=968:8
<span>n=121</span>
(X+65)+184=292
X+64=292-184
X+65=108
X=43
0,6( 2х²+ 3 ) - 7( 2 - х²) = 2( 3х²+ 1 ) - 1
3/5 × ( 2х²+ 3 ) - 14 + 7х² = 6х²+ 2 - 1
6/5х²+ 9/5 - 14 + 7х² = 6х²+ 2 - 1
41/5х²- 6х² = 1 + 61/5
11/5х² = 66/5
х² = 6
х = + √6
х = √6
х = - √6
х = √6., х = - √6