3 years ago

7x(x+4) 7x^2+4 7x^2+28x 8x+4 8x+11

Mathematics

1 answer:

Scilla [17]3 years ago

6 0

Answer:

$7x^2+28x$

Step-by-step explanation:

$7x(x+4)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)=7(x\times x+x\times 4)\\\\7x(x+4)=7(x^2+4x)\\\\Multiplication\ is\ distributive\ on\ addition\\\\\Rightarrow 7x(x+4)==7\times x^2+7\times 4x\\\\7x(x+4)=7x^2+28x$

You might be interested in

Help in Circumference of a circle A small pizza has a diameter of 21 cm.

Novay_Z [31]

The circumference of any circle is (pi) x (the diameter of the circle).

The problem gives you both numbers, so all you have to do is multiply them.

Circumference = (pi) x (diameter) = (3.14) x (21cm) = <em>65.94 cm .</em>

3 0

3 years ago

Which is the most appropriate unit to measure the length of a golf stick?

Naily [24]

Answer:

b can i have brainly

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

i buy 3 apples to 4 bananas. If I buy 6 more bananas than apples, how many total pieces of fruit did I buy?

ASHA 777 [7]

Answer:

Step-by-step explanation:

The difference in ratio units is 1, which corresponds to a difference in fruit count of 6. So the total of 7 ratio units must represent 7×6 = 42 pieces of fruit.

8 0

2 years ago

Which one of these is x please help

sesenic [268]

Answer:

1/2

Step-by-step explanation:

7 0

3 years ago

What is the slope of a line that passes through (-12,15) and (0,4)

pav-90 [236]

Answer:

D. -11/12

Step-by-step explanation:

7 0

3 years ago