5a + 3 + (2a - 2) + a
= 5a + 3 + 2a - 2 + a
= 8a + 1
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(2a-3)(a-1)
5a4 + 3a3 + 2a2
5a3-45a=-2a2+18 5a(a2-9)=-2(a2-9) 5a=-2 a=-2/5
2a2 - 13a + 15 = (2a - 3) (a - 5)
Multiply the first and last coefficients.2*3=6What two factors give you six but when combined give you -5-2 and -3Therefore2x-3)(x-1) will be the factored model.