Question

4x^2-2x+9 find the zeroes of the polynomial​

Answer 1

solution :-

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Factoring 4x2-2x+9

The first term is, 4x2 its coefficient is 4 .

The middle term is, -2x its coefficient is -2 .

The last term, "the constant", is +9

Step-1 : Multiply the coefficient of the first term by the constant 4 • 9 = 36

Step-2 : Find two factors of 36 whose sum equals the coefficient of the middle term, which is -2 .

-36 + -1 = -37

-18 + -2 = -20

-12 + -3 = -15

-9 + -4 = -13

-6 + -6 = -12

-4 + -9 = -13

For tidiness, printing of 12 lines which failed to find two such factors, was suppressed

Observation : No two such factors can be found

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