Math, asked by vilashingade, 9 months ago

3 x square + 18 x minus 21

Answers

Answered by sumansharmaa972

1

Answer:

3x^2+18-21

635763

2628363

Step-by-step explanation:

Answered by Angel9894

0

Answer:

x=1

Step-by-step explanation:

3x^2 +18x -21

x^2 +6x -7

x^2 -x +7x-7

x (x-1)+7 (x-1)

(x-1) ( x+7)

x-1=0

x=1. or

x+7=0

x=-7

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