The missing factor is (x-5)
2x^2+2x-40=0
2x^2+10x-8x-40=0
2x(x+5)-8(x+5)=0
(2x-8)(x+5)=0
2(x-4)(x+5)=0
x=-5 and 4
If you graph it, the zeros are just the values of x when the curve meets the x axis...
Answer:
1=x
Step-by-step explanation:
because in a term f(X) is the original thing but when a number replaces it that means x = that number
Answer:
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Step-by-step explanation:
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