math,correction
posted by jas20 .
Is this correct or no. I need help in a couple of problems can someone explain them to me.
Problem#1
directions: Factor each expression
a^2(bc)16b^2(bc)
My answer is:
(bc)(a4b)(a+4b)
PROBLEM#2
dIRECTIONS: Find a value for k so that 2x^3kxy^2 will have the facotors 2x,x3y,and x+3y
MY steps:
=2x(x3y)(x+3y)
=2x(x^29y^2)
=2x^318xy^2
so, k = 18
Problem#3
Directions: Factor each polynomial by grouping the first two terms and the last two terms.
x^34x^2+2x8
MY answer:
(x4)(x^2+2)
Looks OK!
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