Answer:
[tex]1. \: {x}^{2} - 4x = 2[/tex]
[tex] {x}^{2} - 4x - 2 = 0[/tex]
[tex]a = 1 \: b = 4 \: c = 2[/tex]
[tex]2. \: (2x - 3) {}^{2} = 1[/tex]
[tex](2x - 3)(2x - 3) = 1[/tex]
[tex] {4x}^{2} - 6x - 6x + 9 = 1 \\ {4x}^{2} - 12x + 9 - 1 = 1 - 1 \\ {4x}^{2} - 12x + 8 = 0[/tex]
[tex]a = 4 \: b = 12 \: c = 8[/tex]
[tex]3. \: x(x - 4) + 2 = 0[/tex]
[tex] {x}^{2} - 4x + 2 = 0 \\ a = 1 \: b = 4 \: c = 2[/tex]
[tex]4. \: {5x}^{2} + 2x - 4 = {4x}^{2} - x [/tex]
[tex] {1x}^{2} - 2x + 4x = 0 \\ a = 1 \: b = 2 \: c = 4[/tex]
[tex]5. \: 7x(2x - 1) = 20[/tex]
[tex] {14x}^{2} - 7 = 20 \\ {14x}^{2} - 7 - 20 = 20 - 20 \\ {14x}^{2} - 7 - 20 = 0 \\ a = 14 \: b = 7 \: c = 20[/tex]
step by step explanation:
#carryonlearning
#brainliest
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
[tex]1. \: {x}^{2} - 4x = 2[/tex]
[tex] {x}^{2} - 4x - 2 = 0[/tex]
[tex]a = 1 \: b = 4 \: c = 2[/tex]
[tex]2. \: (2x - 3) {}^{2} = 1[/tex]
[tex](2x - 3)(2x - 3) = 1[/tex]
[tex] {4x}^{2} - 6x - 6x + 9 = 1 \\ {4x}^{2} - 12x + 9 - 1 = 1 - 1 \\ {4x}^{2} - 12x + 8 = 0[/tex]
[tex]a = 4 \: b = 12 \: c = 8[/tex]
[tex]3. \: x(x - 4) + 2 = 0[/tex]
[tex] {x}^{2} - 4x + 2 = 0 \\ a = 1 \: b = 4 \: c = 2[/tex]
[tex]4. \: {5x}^{2} + 2x - 4 = {4x}^{2} - x [/tex]
[tex] {1x}^{2} - 2x + 4x = 0 \\ a = 1 \: b = 2 \: c = 4[/tex]
[tex]5. \: 7x(2x - 1) = 20[/tex]
[tex] {14x}^{2} - 7 = 20 \\ {14x}^{2} - 7 - 20 = 20 - 20 \\ {14x}^{2} - 7 - 20 = 0 \\ a = 14 \: b = 7 \: c = 20[/tex]
step by step explanation:
#carryonlearning
#brainliest