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Sedaia [141]
3 years ago
7

Subtract and simplify.

Mathematics
2 answers:
Hunter-Best [27]3 years ago
5 0

(y^2−7y−5)−(−3y^2+3y−4)

y^2(1--3) +y(-7-3) -5--4

4y^2 -10y-1

RUDIKE [14]3 years ago
4 0

(y^2-7y-5)-(-3y^2+3y-4)\\\\=y^2-7y-5-(-3y^2)-(3y)-(-4)\\\\=y^2-7y-5+3y^2-3y+4\qquad\text{combine like terms}\\\\=(y^2+3y^2)+(-7y-3y)+(-5+4)\\\\=\boxed{4y^2-10y-1}

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Read 2 more answers
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