Question

write the sum of zeroes of quadratic polynomial 2x²-8.​

Answer 1

ANSWER:

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WE CAN GET THE ZEROS OF THE POLYNOMIAL BY FACTORIZING

$2 {x}^{2} - 8$

BY TAKING TWO COMMON

$= 2( {x}^{2} - 4)$

THEREFORE TWO AND

${x}^{2} - 4$

ARE FACTORS OF

$2 {x}^{2} - 8$

THEIR SUM IS

${x}^{2} - 4 + 2$

$= {x}^{2} - 2$

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