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Pie
3 years ago
8

(2x - 3y)(4x - y) can you help me

Mathematics
2 answers:
professor190 [17]3 years ago
5 0

You must FOIL (first, outside, inside, last)

First (The first number/variable of each parentheses must be multiplied together)

(2x - 3y)(4x - y)

8x^{2}

Outside (The outside number/variable of each parentheses must be multiplied together)

(2x - 3y)(4x - y)

-2xy

Inside (The inside number/variable of each parentheses must be multiplied together)

(2x - 3y)(4x - y)

-12xy

Last (The last number/variable of each parentheses must be multiplied together)

(2x - 3y)(4x - y)

3y^{2}

Now add/subtract each FOIL answer according to its sign

8x^{2} - 2xy - 12xy + 3y^{2}

Combine like terms

8x^{2} + 3y^{2} - 14xy

Hope this helped!

~Just a girl in love with Shawn Mendes

Mnenie [13.5K]3 years ago
3 0

Answer:

<h2>(2x - 3y)(4x - y) = 8x² - 14xy + 3y²</h2>

Step-by-step explanation:

Use FOIL:  <em>(a + b)(c + d) = ac + ad + bc + bd</em>

(2x - 3y)(4x - y) = (2x)(4x) + (2x)(-y) + (-3y)(4x) + (-3y)(-y)

= 8x² - 2xy - 12xy + 3y²

<em>combine like terms</em>

= 8x² + (-2xy - 12xy) + 3y² = 8x² - 14xy + 3y²

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