David R.
asked 07/07/15
can sombody help me to simplify?
Mark M.
answered 07/07/15
Mathematics Teacher - NCLB Highly Qualified
Use the distributive property:
2(x - 4) + 7(x + 2)
2(x) - 2(4) + 7(x) +7(2)
2x - 8 + 7x + 14
9x + 6
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