Activity 3: Equation Transformer
Using your previous knowledge on special products and other concepts in
Mathematics, transform the following into standard form of quadratic equations.
1. x² = -3x+5
2. (x + 5)2 = 0
3. 4x(x – 3) = 0
4. (2x - 5)(3x + 4) = 0
5. -7(2x + 1)2 = 0
6. 2(x + 2)2 = 0
7. x(6x + 7) = 5
8. 5x2 = 2 + 3x
9.+ = 5
10.5+7X2=-3x
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Step-by-step explanation:
1. x² = -3x + 5
x² + 3x - 5 = 0 (standard form)
2. (x + 5)² = 0
(x + 5)(x + 5) = 0
x² + 10x + 25 = 0 (standard form)
3. 4x(x - 3) = 0
4x² - 12x = 0 (standard form)
4. (2x - 5)(3x + 4) = 0
6x² + 8x - 15x - 20 = 0
6x² - 7x - 20 = 0 (standard form)
5. -7(2x + 1)² = 0
-7(2x + 1)(2x + 1) = 0
-7(4x² + 2x + 2x + 1) = 0
-7(4x² + 4x + 1) = 0
-14x² - 28x - 7 = 0 (standard form)
6. 2(x + 2)² = 0
2(x + 2)(x + 2) = 0
2(x² + 4x + 4) = 0
2x² + 8x + 8 = 0 (standard form)
7. x(6x + 7) = 5
6x² + 7x = 5
6x² + 7x - 5 = 0 (standard form)
8. 5x² = 2 + 3x
5x² - 3x - 2 = 0 (standard form)
9. may kulang ata? paki comment na lng
10. 5 + 7x² = -3x
7x² + 3x + 5 = 0 (standard form)
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