SOLUTION: Tutor my problem is to multiply (x+2y)^4 is this 3 to the 4th power making it 19*9?? Would it be 3x3x3x3?
Thank you
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Question 86313: Tutor my problem is to multiply (x+2y)^4 is this 3 to the 4th power making it 19*9?? Would it be 3x3x3x3?
Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
multiply (x+2y)^4
= 4C4x^4 + 4C3x^3(2y) + 4C2x^2(2y)^2 + 4C1x(2y)^3 + 4C0(2y)^4
= x^4 + 8x^3y + 24x^2y^2 + 32xy^3 + 16y^4
===============
Cheers,
Stan H.
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