Question 421140
Mmultiply.



(a + 1/5)(a + 1/2)
= a(a) + a(1/2) + 1/5(a) + 1/5(1/2) {used foil method}
= a^2 + 1/2a + 1/5a + 1/10 {multiplied through}
= a^2 + (7/10)a + 1/10 {combined like terms}
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