Web30abc Solution: This proceeds as: Given polynomial (8a3 + 27b3 + 125c3 - 30abc) can be written as: (2a)3 + (3b)3 + (5c)3 - (2a)(3b)(5c) And this represents identity: a3 + b3 + c3 - 3abc = (a + b + c)(a2 + b2 + c2 - ab - bc - ca) Where a = 2a, b = 3b and c = 5c Now apply values of a, b and c on the L.H.S of identity i.e. a3 + b3 + c3 - 3abc = (a ... WebFree math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
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Web16 jul. 2024 · Answer: We know. (x+y+z) (x2+y2+z2−xy−yz−zx)=x3+y3+z3−3xyz. ∴ (2a+3b−4c) (4a2+9b2+16c2+12bc+8ca) = (2a)3+ (3b)3+ (−4c)3−3× (2a)× (3b)× (−4c) … Web3 aug. 2024 · 8a3 + -27b3 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '27b3' to each side of the equation. 8a3 + -27b3 + 27b3 = 0 + 27b3 Combine like terms: -27b3 + 27b3 = 0 8a3 + 0 = 0 + 27b3 8a3 = 0 + 27b3 Remove the zero: 8a3 = 27b3 Divide each side by '8'. a3 = 3.375b3 Simplifying a3 = 3.375b3 hilfe fotos
(8a^3 - 27b^3) × (4a^2 - 6ab + 9b^2) (2a+3b) - Brainly.in
Web22 aug. 2024 · Answer: 8a3 + 27b3 + 64c3 - 72abc Step-by-step explanation: = (2a + 3b + 4c) (4a2 + 9b2 + 16c2 - 6ab - 12bc - 8ca) = (2a+3b+4c) ( (2a)2+ (3b)2+ (4c)2- (2a) (3b)- … WebSince both terms are perfect squares, factor using the difference of squares formula, a2 −b2 = (a+b)(a−b) a 2 - b 2 = ( a + b) ( a - b) where a = 2a a = 2 a and b = 3b b = 3 b. … WebFind the answer to the question here: What is the missing term in (2a – 3b)(4a2 + __ + 9b2) so that it will give us a product of 8a3 – 27b3 ?A.6ab B. 12ab C. 12a2b D. 18ab2. Smart Answers smarmy means