solve this......................
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\begin{gathered}a) =y²+24y+144 \\ =y²+12y+12y+144 \\ =y(y+12)+12 (y+12) \\ =(y+12) (y+12) \\ =(y+12) ² \\ c) =3x²+14x+15 \\ =3x²+9x+5x+15 \\ =3x(x+3) +5(x+3) \\ =(3x+5) (x+3) \\\end{gathered}
a)=y²+24y+144
=y²+12y+12y+144
=y(y+12)+12(y+12)
=(y+12)(y+12)
=(y+12)²
c)=3x²+14x+15
=3x²+9x+5x+15
=3x(x+3)+5(x+3)
=(3x+5)(x+3)
\begin{gathered}f) =p²-2p-35 \\ =p²+5p-7p-35 \\ =p(p+5) -7(p+5) \\ =(p+5) (p-7) \\\end{gathered}
f)=p²−2p−35
=p²+5p−7p−35
=p(p+5)−7(p+5)
=(p+5)(p−7)
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