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kumpel [21]
3 years ago
11

7(4x - 2) - 4(2x - 8)

Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0

Answer:

20x + 18

Step-by-step explanation:

We need to use the distributive property, where we essentially take the sum of the product of the outside number with each of the inside terms.

In 7(4x - 2), 7 is the outside number and 4x and -2 are the inside numbers, so:

7(4x - 2) = 7 * 4x + 7 * (-2) = 28x - 14

In 4(2x - 8), 4 is the outside number and 2x and -8 are the inside numbers, so:

4(2x - 8) = 4 * 2x + 4 * (-8) = 8x - 32

Now, we have:

28x - 14 - (8x - 32) = 28x - 14 - 8x + 32 = 20x + 18

The answer is 20x + 18.

dezoksy [38]3 years ago
4 0

Step-by-step explanation:

<u>Step 1:  Distribute</u>

<u />7(4x - 2) - 4(2x - 8)

(7 * 4x) + (7 * -2) + (-4 * 2x) + (-4 * -8)

(28x) + (-14) + (-8x) + (32)

28x - 14 - 8x + 32

<u>Step 2:  Combine like terms</u>

28x - 14 - 8x + 32

20x + 18

Answer:  20x + 18

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