amirrobinson48
Answered

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Subtract.
(3x2 + 7) - (3x - 2)
A. 3x2 – 3x+ 9
B. 3x2 – 3x + 5
C. 1x2 + 5
D. 1x2 + 9

Sagot :

ashish4112119

Answer:

A. 3x2 - 3x + 9

Step-by-step explanation:

* means multiplied

(3x2 + 7) - (3x - 2)

- (3x - 2) is really -1 * (3x - 2)

so

-1 * (3x - 2)

is

-3x + 2

so

(3x2 + 7) - (3x - 2) =

(3x2 + 7) - 3x + 2 =

3x2 - 3x + 9

labeeb2

Answer:

The answer is A.

Step by step explanation:

=(32+7)−(3−2)

=(32+7)−3-2

=32+7−3+2

=32+9−3

=32−3+9

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