I. 8(x+3) + 8(-x) =72 8x × 83 + (1/8)x - 72 = 0 Let 8x = a 512a + 1/a - 72 = 0 512a² + a - 72a = 0 512a² - 72a + 1 = 0 512a² - 64a - 8a + 1 = 0 64a (8a-1) -1(8a-1) = 0 (64a-1) (8a-1) = 0 a = 1/8, 1/64 8x = 1/8 x = -1  8x = 1/64 x = -2  II. 5(y + 5) + 5(-y) = 150 55 × 5y + (1/5)y - 150 = 0 Let 5y = b 3125b + 1/b - 150 = 0 3125b² - 150b + 1 = 0 3125b² - 125b - 25b + 1 = 0 125b(25b-1) -1(25b-1) = 0 b = 25, 125 5y = 1/25 y = -2 5y = 1/125 y = -3 Hence, x ≥ yÂ
7, 8, 12, 21, 37, ?
1200 - 60 X 6 + 30 = 30 X 20 + ?
(〖(0.5)〗^(1/3) × 〖(1/125)〗^(1/4) × 〖25〗^(1/6) ×〖(6.25)〗^(2/3))/(〖(2.5)〗^(2/3) × 5^(-1/2) × 〖(1/5)〗^(-2)×〖3125ã...
What will come in the place of question mark in the given expression?
√(16 2 + 3 of 11) + 21% of 300 = ? 2 of 5
∛21952 × 44 = ? × 14
255 × 8 + 386 × 5 =? % of 7940
(22 × 52 ) + 4 × 6 = ? - √324
11 × 25 + 12 × 15 + 14 × 20 + 15 = ?