Mathematics High School

Help pls! I ended up getting the wrong answer, so an explanation would help! (:

Help Pls! I Ended Up Getting The Wrong Answer, So An Explanation Would Help! (:

Answers

Answer 1

Answer:

4p squared - 28pq

Step-by-step explanation:

4p(p−7q)

=(4p)(p+−7q)

=(4p)(p)+(4p)(−7q)

=4p squared −28pq

Answer 2
Apply the distributive property.
4
p
⋅
p
+
4
p
(
−
7
q
)
4
p
⋅
p
+
4
p
(
-
7
q
)
Multiply
p
p
by
p
p
by adding the exponents.
Tap for more steps...
4
p
2
+
4
p
(
−
7
q
)
4
p
2
+
4
p
(
-
7
q
)
Rewrite using the commutative property of multiplication.
4
p
2
+
4
⋅
−
7
(
p
q
)
4
p
2
+
4
⋅
-
7
(
p
q
)
Multiply
4
4
by
−
7
-
7
.
4
p
2
−
28
p
q

Related Questions

Joey and Nolan are each solving the equation 13x - 42 = 18 - 7x. Joey's first step was to rewrite the equation as 20x - 42 = 18 while Nolan's first step was to rewrite the equation as 13x = 60 - 7x. Who is correctly applying the addition property of equality in the first step of his work? A. Only Joey B. Only Nolan C. Both Joey and Nolan D. Neither Joey nor Nolan​

Answers

Answer:

Correct option: C.

(Both Joey and Nolan)

Step-by-step explanation:

The step Joey did is:

Add 7x to both sides of the equation

Then, he got:

13x - 42 + 7x = 18 - 7x + 7x

20x - 42 = 18

The step Nolan did is:

Add 42 to both sides of the equation

Then, he got:

13x - 42 + 42 = 18 - 7x + 42

13x = 60 - 7x

So both of them used correctly the addition property of equality in the first step of their work.

Correct option: C.

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