September 2023 1 25 Report
Reduce los términos semejantes de las siguientes expresiones.
a) 7x2 – 3x + 4x2 – 7x – 8 =

b) 4ax – 10bx – 9bx – 4ax =

c) 3a – 2b + c – 2 + 4b – 6a – 5c + 1 =

d) b3 + 2b2c – c3 + 3bc2 + 2b3 – 6b2c + 2c3 =

e) -2x2yz + 6xyz + 2xyz2 + 3x2yz – 5xyz – xyz2 =

f)2/3mn-1/6mn+1/2m²n²-3/4mn+m²n²=

Suma y resta de polinomios

Simplifica las expresiones siguientes.
a) 4rt – t2 + (-rt + 3t2 – t3) =

b) 2p2q + (5pq2 – 3q2 – p2q) + 2pq2 – (3pq2 + q2) =

c) 1.5m2 – (-3.4m2n + 6.7m2) – (-4.3m2n + 8.1n) =


Símbolos de agrupación

Simplifica las expresiones siguientes.
a) -(-2x2 + a2) – 3a2 + [-3a2 – (x2 – a2)] =



b) -[5 – (6xy – z) + 2xy +7z + 3] + 5xy =



c) 5a – {3b – 8c – [a + 2c + 6b – (b – c) – 3a] – 5c} =

d) 8x2y – {4xy2 – [2x2y + (-5xy2 – 3x2y) – 4xy2] + 2x2y} =
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