WebSolution 2x + 3y = 13, xy = 6 Cubing both sides, (2x+ 3y)3 = (13)3 ⇒ (2x)3 + (3y)3 +3× 2x ×3y(2x+3y) = 2197 ⇒ 8x3 +27y3 + 18xy(2x+ 3y) = 2197 ⇒ 8x3 +27y3 + 18× 6×13 = … WebSolve the system of equations by addition-subtraction or by substitution. y = 2x - 3 x = 19 - 3y; Solve the system of equations by Addition and Substitution: 2x + y = 6; 3x - 2y = 2. …
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Web26 aug. 2024 · ⇒ (2x) 3 + (3y) 3 = 14 × (100 - 6 × 8) ⇒ 14 × 52 = 728 ∴ The answer is 728. Alternate Method a3 + b3 = (a + b)3 - 3ab (a + b 8x3 + 27y3 = (2x + 3y)3 - 3 × 2x × 3y (2x + 3y) ⇒ 143 - 18 × 8 × 14 ⇒ 2744 - 2016 ⇒ 728 ∴ The answer is 728. Download Solution PDF Share on Whatsapp Latest SSC CGL Updates Last updated on Mar 14, 2024 Web2x + 3y = -1. Formula used: (a + b) 3 = a 3 + b 3 + 3ab(a + b) Calculation: According to the question. 2x + 3y + 1 = 0. ⇒ 2x + 3y = -1. Now, (2x + 3y) 3 = (2x) 3 + (3y) 3 + 3 × 2x × 3y (-1) = -1. ⇒ 8x 3 + 27y 3 – 18xy = -1. Now, The value of (8x 3 + 8 + 27y 3 – 18xy) = (8 – 1) ⇒ 7. ∴ The required value is 7 dr. laimer thomas
[Solved] If 2x + 3y + 1 = 0, then what is the value of (8x3 + 8
Web21 jun. 2024 · answered • expert verified If 2x + 3y = 12 and xy = 6, find the value of 8x^3 + 27y^3 1 See answer please tell hi are you here yes? fatima Advertisement xero099 … WebCommunity Answer If 2x + 3y = 12 and xy = 6, find the value of 8x *3 +27 y *3? A^3+b^3= (a+b) (a^2+b^2-ab)substitute the values and you should get the answer :)I did it and it … WebFactor (2x+3y)^2-(2x-3y)^2. LCMGCF.com. Algebra; LCM Calculator; GCF Calculator; Factor ... Factor by Grouping 1/8x^3-1/27y^3; Factor by Grouping 12x^2-18x ... Factor by … coin operated laundromat near my location