Answer for number 3

Mathematics

1 answer:

julia-pushkina [17]3 years ago

4 0

36x^2-49
this closely matches the binomial formula of (a+b)*(a-b)=a^2-b^2
so we know:
a^2=36x^2
a=6x

b^2=49
b=7

so (a+b)*(a-b)=(6x+7)*(6x-7)=36x^2-49

You might be interested in

To whitch subsets does the number - the square root of 25 belong select all that apply

omeli [17]

Sqrt 25 = 5....rational, integer, whole number, and natural

4 0

4 years ago

Which body part is the same length as the persons length?

Lemur [1.5K]

Skin hope is helpful

8 0

3 years ago

Read 2 more answers

There was a total of $9.48 million contributed to a political campaign by 79 thousand people. What was the average contribution?

IrinaK [193]

The average was $120

3 0

3 years ago

Convert 17/4 to a decimal

Gelneren [198K]

Multiply nominator and denominator by 25:

$\dfrac{17}{4} = 4 \dfrac{1}{4}=4 \dfrac{1 \cdot 25}{4 \cdot 25}=4 \dfrac{25}{100}=4.25$

7 0

3 years ago

What is the discriminant of the polynomial below? 2x^2+3x-7

zysi [14]

Answer:

Step-by-step explanation:

2x2+3x-7

the discriminant is : b²- 4ac a=2 b=3 c= -7

3²- 4(2)(-7) .... continu

6 0

3 years ago