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Stells [14]
3 years ago
15

Expand the following: a) x(x - 6) b) x(4x + 1) c) 2x(5x + 4) d) 3x(5x - y)

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
6 0

Answer:

Step-by-step explanation:

a. x(x - 6)

x X x - x X 6

x^2 - 6x

b. x(4x + 1)

x X 4x + x X 1

4x^2 + x

c. 2x(5x + 4)

2x X 5x + 2x X 4

10x^2 + 8x

d. 3x(5x - y)

3x X 5x - 3x X y

15x^2 - 3xy

puteri [66]3 years ago
5 0

Answer:

<h2>[a]=x²_6x</h2><h2>[b]=4x²+x</h2><h2>[c]=10x²+8x</h2><h2>[d]15x²_3xy</h2>

Step-by-step explanation:

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ikadub [295]
1. <span>Simplify -9 + -2m to -9 - 2m

-3m = -9 - 2m

2. </span><span>Add </span>2m <span>to both sides

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3. </span><span>Simplify -3m + 2m to -m

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4. </span><span>Multiply both sides by </span><span><span>−<span>1

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Done! :) our answer is m = 9</span></span></span>
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3 years ago
HELP
babymother [125]

It's a isosceles right angled triangle

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\\ \sf{:}\Rrightarrow JK^2=17^2+10^2

\\ \sf{:}\Rrightarrow JK^2=289+100

\\ \sf{:}\Rrightarrow JK^2=389

\\ \sf{:}\Rrightarrow JK=19.72

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What is the slope of the line passing through the points (0,0),(1/3,7/3)?
umka21 [38]
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3 years ago
9 = x/2 + 2<br> solve for x.
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Answer:

14 = x

Step-by-step explanation:

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8 0
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