(x+5)^2-(x-2)(x-3)
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(x+5)^2-(x-2)(x-3)(x+5)^2-(x-2)(x-3)(x+5)^2-(x-2)(x-3)15x+1915x+19X+4(x+5)^2-(x-2)(x-3)=(x-3+8)^2-(x
(x+5)^2-(x-2)(x-3)
(x+5)^2-(x-2)(x-3)
(x+5)^2-(x-2)(x-3)
15x+19
15x+19
X+4
(x+5)^2-(x-2)(x-3)
=(x-3 + 8)^2-(x-2)(x-3)
=(x-3)^2+16(x-3)+64 -(x-2)(x-3)
=(x-3)[ (x-3)-(x-2)+16] +64
=15(x-3)+64
=15X+19
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