Expand (t+5)(t-2)
FOIL stands for First,Outer,Inner and Last. This is the order of multiplying the terms from each set of brackets.First terms give: t x t=t2Outer terms give: t x -2=-2tInner terms give: 5 x t=5tLast terms give: 5 x -2=-10=t2-2t+5t-10=t2+3t-10
OS
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