Math, asked by coco147, 9 months ago

find the zero of the following quadratic polynomial and verify the relationship between zeros and the coefficients.

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Answers

Answered by Mano0209

0

Answer:

The value of x is equal to

Step-by-step explanation:

3x²+18x-63

3x²+21x-3x-63

3x(x+7)-3(x+21)

(-3(x+21))÷3

3x(x+7)-1(x+7)

(3x-1)(x+7)

So, x= ⅓ and x= -7

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