here heirs phy. Wns ret go buen there.
gm
a) (X - 5) (x +7) - (x + 6) (x-8)
11 (2x-57(4-3x)-(3x+11) (5-2x) -15x(x-
~) (2x+3) (4x²− 6x+9) − (2x−3) (4x²4 6x +5
d) ( x − 3 ) (x + 3 ) ( 5 x −1) -n ( 9x²x-1,
2) тих вик
2
~) (2x - 5) (3x + ¹) — (6 x-1)(x-3) = 5