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Expand and simplify each of the following expressions. (a) −2 ( – 5 + 7) (b) ( + 3ℎ )( 5ℎ – 4) (c) (2 + 3)( – 5) – ( 3 + 7)( – 7) Please help me in these questions.

Expand and simplify each of the following expressions. (a) −2 ( – 5 + 7) (b) ( + 3ℎ )( 5ℎ – 4) (c) (2 + 3)( – 5) – ( 3 + 7)( – 7) Please help me in these questions.
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2 votes
Expand and simplify each of the following expressions.

(a) −2 ( – 5 + 7)
(b) ( + 3ℎ )( 5ℎ – 4)
(c) (2 + 3)( – 5) – ( 3 + 7)( – 7)
Please help me in these questions.

User Hike Nalbandyan
by
8.1k points

1 Answer

3 votes
a)-2(-5+7)
=10-14
=-4
b)(+3h)(5h-4)
=15h^2-12h
c)(2+3)(-5)-(3+7)(-7)
=5(-5)-10(-7)
=-25+70
=45
User Gcas
by
8.4k points
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