factoeize x² +13x+40
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x²+13x+40
x²+5x+8x+40
x(x+5)+8(x+5)
x=-5,x=-8
(x+5)(x+8)
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3
Step-by-step explanation:
x² + 13x +40
x² + 8x +5x +40
x (x +8) + 5 (x +8)
(x +8) (x +5)
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