3 years ago

Please help I will mark u as the brainliest #emergency

Mathematics

1 answer:

xz_007 [3.2K]3 years ago

5 0

Answer:

23x2+8xy−57y2

Step-by-step explanation:

(5x)(5x)+(5x)(7y)+(−7y)(5x)+(−7y)(7y)+−2x2+8xy+−8y2

=25x2+35xy+−35xy+−49y2+−2x2+8xy+−8y2

Combine Like Terms:

=25x2+35xy+−35xy+−49y2+−2x2+8xy+−8y2

=(25x2+−2x2)+(35xy+−35xy+8xy)+(−49y2+−8y2)

=23x2+8xy+−57y2

Plz mark brainlest :)

You might be interested in

Find the slope of this line.

natulia [17]

Answer:

4/5

Step-by-step explanation:

SImply use slope formula. We see the graph has defined points at (5, 4), and (-5, -4).

m=(Y2-Y1)/(X2-X1)

(4-(-4))/(5-(-5))=8/10

Simplify 8/10

=4/5

4 0

2 years ago

Does x=0 I need this for a math test I just need a yes or no

Fynjy0 [20]

Answer:

Step-by-step explanation:

6 0

3 years ago

27.2g / 2.0 cm^3 and (2.04 x 10^-4) x (2.34 x 10^-3)

sineoko [7]

Answer:

the first one is 3.4

Step-by-step explanation:

how this helps

3 0

2 years ago

What is the answer to this problem?

eimsori [14]

Answer:

A=3

Step-by-step explanation:

srry if I'm worng. hop it helped

6 0

3 years ago

1) A part of an expression separated by addition, subtraction, or an equality symbol is a

Oksanka [162]

Algebraic expression

8 0

3 years ago