3 years ago

-3(5-x^2+2) multiply

Mathematics

2 answers:

MAVERICK [17]3 years ago

7 0

Answer:

3x²-21

Step-by-step explanation:

-3(5-x² +2)

combine like terms in the parenthesis (5 and 2=7)

-3(-x² +7)

distribute the 3 so multiply -3 and -x² and 3 and 7

-3(-x²) = 3x² because a double negative is a positive

-3(7) = -21 because a negative and positive is a negative

madam [21]3 years ago

6 0

Answer:

3 x ^2 − 21

Step-by-step explanation:

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