Answer: x=-5 or x=-8
Step-by-step explanation:
x^2+13x+40=0
x^2 + 8x + 5x +40=0
x(x+8)+5(x+8)=0
(x+5)(x+8)=0
x+5=0 or x+8=0
x=-5 or x=-8
Answer:
hi
Step-by-step explanation:
Answer:
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36=2x-4 so add 4 to each side to get 40=2x then you divide each side by 2 to get 20=x