if you meant x^2+9x+20 then it is (x+4)(x+5) you know that because 4+5=9 and 4x5=20 using FOIL
Which equation is a linear function? (a)y=2×-1 (b) y=x/2-5 (c) y=x power of 2+7 (D) 2/x+3
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if you meant x^2+9x+20 then it is (x+4)(x+5) you know that because 4+5=9 and 4x5=20 using FOIL