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3 years ago

9

Detailed answers appreciated: (7a -4) (2a -5)

2 answers:

igor_vitrenko [27]3 years ago

5 0

Expand the expression?

Perform indicated multiplication:

7a(2a)+7a(-5)-4(2a)-4(-5)

14a^2-35a-8a+20 combine like terms, ie (-35a-8a)=-43a

14a^2-43a+20

lana66690 [7]3 years ago

5 0

1. Us the FOIL method: (a + b)(c + d) = ac + ad + bc + bd:
14a^2 - 35a - 8a + 20
2. Collect like terms:
14a^2 + (-35a - 8a) + 20
3. Simplify:
14a^2 - 43a + 20

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tresset_1 [31]

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3 years ago

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Step-by-step explanation:

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3 years ago

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Kitty [74]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Your friend, Isabel, has a credit card with an APR of 19.9%! How many dollars would she pay as a finance charge for just 1 month

Mazyrski [523]

Answer:

$16.583

Step-by-step explanation:

Given :Your friend, Isabel, has a credit card with an APR of 19.9%!

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Solution:

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4 years ago