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How do I solve: (7y^2-4y+8)-(4y^2-4y+6) and simplify?

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asked May 9, 2014 in ALGEBRA 1 by anonymous
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The expression is (7y^2 - 4y + 8) - (4y^2 - 4y + 6).

(7y^2 - 4y + 8) - (4y^2 - 4y + 6)

= 7y^2 - 4y + 8 - 4y^2 + 4y - 6

= 3y^2 + 2.

Therefore, (7y^2 - 4y + 8) - (4y^2 - 4y + 6) = 3y^2 + 2.

answered May 9, 2014 by lilly Expert

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