CPM Homework Help : CCA Problem 3-33

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3-33.

Copy and simplify the following expressions by combining like terms. Using or drawing sketches of algebra tiles may be helpful.

$2x+3x+3+4x^2+10+x$

Hint (a):
$4x^2+(2x+3x+x)+13$
Answer (a):
$4x^2+6x+13$

$4x+4y^2+y^2+9+10+x+3x$

Hint (b):
$(4y^2+y^2)+(4x+x+3x)+(9+10)$
Answer (b):
$5y^2+8x+19$

$2x^2+30+3x^2+4x^2+14+x$

Hint (c):
Refer to parts (a) and (b).

$20+5xy+4y^2+10+y^2+xy$

Hint (d):
Refer to parts (a) and (b)

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