Question

$2 {}^{2} + x - 528$
​

Answer 1

Answer:

2x² + x - 528 = 0

By Quadratic Formula,

X = -b ± √b² - 4ac / 2a

=> x = -1 ± √ 1 - 4 × 2 × (-528) / 4

=> x = -1 ± √ 1 + 4224 / 4

=> x = -1 ± √4225 / 4

=> x = -1 ± 65 ÷ 4

=> x = -1 -65 ÷ 4 Or , -1 + 65 / 4

=> x = -16.5 or 16

Answer 2

Answer:

See the above attachment..