write down the firset even multiple of 7
5(1-x)=15-5(x+2)
the first even number multiple of 7
2x2x^{2}x2 -9x+7=0
-5x=25-2x
-3x=25-2x
x2x^{2}x2 -6x+8=0
(x-3)(x+3)
(x−3)2(x-3) ^2(x−3)2
