Question

4x2 for x = 3 to
pls answer this​

Answer 1

Answer:

36

Step-by-step explanation:

$4 {x}^{2} \: for \: x = 3$

$= 4 \times {(3)}^{2}$

$= 4 \times 9$

$= 36$

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Answer 2

Answer:

4x2 - 3x - 1

= 4x2 - 4x + x - 1

= 4x (x - 1) + (x - 1)

= (4x + 1)(x - 1)

4x + 1 = 0 or x - 1 = 0

x = -1/4  or  x = 1

Sum of zeroes = 1 - 1/4 = 3/4

Product of zeroes = 1(-1/4) = -1/4

Step-by-step explanation:

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