2 years ago

What expression is equivalent to -15x + 39? *

Mathematics

1 answer:

Nookie1986 [14]2 years ago

7 0

Answer:

-15x + 39 = -3(5x - 13)

Step-by-step explanation:

a. -3(5x - 13) = -15x + 39

b. -3(5x + 13) = -15x - 39

c. 3(5x - 13) = 15x - 39

d. 3(5x + 13) = 15x + 39

You might be interested in

Combine like terms 9-5=9x-6x

4vir4ik [10]

Answer:

4 = 3x

Step-by-step explanation:

9-5=9x-6x

Combine like terms

4 = 3x

We can solve for x

Divide by 3

4/3 = 3x/3

4/3 =x

7 0

3 years ago

Write the expression as a polynomial (x+1)(x+2)(y–3)

o-na [289]

$\text{Use FOIL method:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(x+1)(x+2)(y-3)=[(x)(x)+(x)(2)+(1)(x)+(1)(2)](y-3)\\\\=(x^2+2x+x+2)(y-3)=(x^2+3x+2)(y-3)\\\\=(x^2)(y)+(x^2)(-3)+(3x)(y)+(3x)(-3)+(2)(y)+(2)(-3)\\\\=\boxed{x^2y-3x^2+3xy-9x+2y-6}$

6 0

3 years ago

D 0,1 of x is?<br> A. (4,0)<br> B. (4,1)<br> C. (5,1)<br> *20 points!!!*

Lorico [155]

Answer:

4,0

Step-by-step explanation:

7 0

3 years ago

Evaluate the expression for the given value of the variable -4b-8 + -1 b^2 + 2b^3 ; b= -2

Bad White [126]

-4b-8 + -1b^2 +2b^3
-4(-2)-8+-1(-2)^2+2(-2)^3
8-8+2^2-4^3
4-64
60

4 0

3 years ago

Read 2 more answers

PLZZZZZ NEED HELP!!!!!!

Alisiya [41]

Answer is C. multiply by 3 - square root 5

using a^2 - b^2 = (a + b)(a - b)

4 0

3 years ago