Geometry, help with the last 3 questions!
2 answers:
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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
Answer:
Step-by-step explanation:
The conjugate of a radical expression is obtained by changing the sign of the middle term.
The conjugate of is simply
Therefore, to obtain the conjugate of the given expression we simply shall be changing the negative sign to positive;
The conjugate of is simply;