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(c) (i) Solve the linear equation: 2(3 – x) = 3(x + 5) (ii) Expand (x + 4)(x – 5) and use this answer to write down the quadratic | equation in the form ax? + bx + c = 0 that has solutions x =-4 and X = 5. (iii) Find the term in xy in the expansion of (x + 2y)(2y – 4x)(4 + 3y).

(c) (i) Solve the linear equation: 2(3 – x) = 3(x + 5) (ii) Expand (x + 4)(x – 5) and use this answer to write down the quadratic | equation in the form ax? + bx + c = 0 that has solutions x =-4 and X = 5. (iii) Find the term in xy in the expansion of (x + 2y)(2y – 4x)(4 + 3y).

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.1: Systems Of Equations
Problem 10E
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(c) (i) Solve the linear equation: 2(3 – x) = 3(x + 5) Expand (x + 4)(x – 5) and use this answer to write down the quadratic equation in the form ax? + bx + c = 0 that has solutions x =-4 and (ii) X = 5. (iii) Find the term in xy in the expansion of (x + 2y)(2y – 4x)(4 + 3y). -
Transcribed Image Text:(c) (i) Solve the linear equation: 2(3 – x) = 3(x + 5) Expand (x + 4)(x – 5) and use this answer to write down the quadratic equation in the form ax? + bx + c = 0 that has solutions x =-4 and (ii) X = 5. (iii) Find the term in xy in the expansion of (x + 2y)(2y – 4x)(4 + 3y). -
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