3 years ago

Expand and simplify (x + 3)(x-4)

Mathematics

2 answers:

Hunter-Best [27]3 years ago

5 0

Answer:

2x -1

Step-by-step explanation:

x*x =2x 3-4 =-1

2x+-4

sweet [91]3 years ago

4 0

Answer: x^2x-12 (by the way ^2 is a square)

You might be interested in

H(a) = a^2 + 3a; Find h(-10)

Colt1911 [192]

H(-10)=70
because when you input -10 in for each a, it will equal 70

6 0

3 years ago

chris runs 2.3 miles every day of the week, except sunday. on sunday he only runs 2 miles. how many miles will he run in 2 weeks

Ludmilka [50]

Answer:

He will run 31.6 miles in two weeks.

Step-by-step explanation:

6 days a week = 2.3 miles

6 days · 2 weeks = 12 days total running 2.3 miles

1 day a week = 2 miles

1 day · 2 weeks = 2 days total running 2 miles

(12 · 2.3) + (2 · 2)

27.6 + 4

31.6 miles

7 0

3 years ago

I guess no one is helping anymore?

ryzh [129]

Answer:

I guess so.........................................................

8 0

3 years ago

Read 2 more answers

Kara mixes different colors of paint to create new colors. The table shows the amount of paint Kara mixes per batch.

klemol [59]

Answer:

I've done this question: Its batch 5

Step-by-step explanation:

It has to be all equal proportions

4 0

2 years ago

Read 2 more answers

Find f¹(x) for the function<br> f(x) = -4.<br> 2<br> f¹(x) = [?]x + [ ]

g100num [7]

Answer:

${f}^{ - 1}(x) = 2x + 8$

Step-by-step explanation:

$f(x) = \frac{x}{2} - 4 \\ \\ y = \frac{x}{2} - 4 \\ \\ y = \frac{x - 8}{2} \\ \\ x = 2y + 8 \\ \\ {f}^{ - 1} (x) = 2x + 8$

4 0

2 years ago