Answer:
1. 2x² - 7x
2. x² + 14x + 45
3. 2x² + 5x - 3
4. x² + 12x + 36
5. 25x² - 16
6. 3x¹ - 2x - 16
Step-by-step explanation:
1. x(2x-7)
apply multiplicative distribution low
x × 2x - x × 7
multiply the monomials
2x² - 7x
2. (x+5) (x+9)
x(x+9)+5(x+9)
x × x + x × 9 + 5x + 5 × 9
3. (2x - 1) (x + 3)
2x(x+3)-(x+3)
2x × x + 2x × 3 - (x+3)
4.(x+6)²
x² + 2x × 6 + 6²
x² + 12x + 6²
5. (5x + 4) (5x - 4)
(5x)² - 4²
5² × x² - 4²
6. (2x-8)(x+2)
3x(x+2)-8(x+2)
3x × x + 3 × x² - 8x - 8 × 2
sana makatulong
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Answers & Comments
Answer:
1. 2x² - 7x
2. x² + 14x + 45
3. 2x² + 5x - 3
4. x² + 12x + 36
5. 25x² - 16
6. 3x¹ - 2x - 16
Step-by-step explanation:
1. x(2x-7)
apply multiplicative distribution low
x × 2x - x × 7
multiply the monomials
2x² - 7x
2. (x+5) (x+9)
apply multiplicative distribution low
x(x+9)+5(x+9)
multiply the monomials
x × x + x × 9 + 5x + 5 × 9
3. (2x - 1) (x + 3)
apply multiplicative distribution low
2x(x+3)-(x+3)
multiply the monomials
2x × x + 2x × 3 - (x+3)
4.(x+6)²
apply multiplicative distribution low
x² + 2x × 6 + 6²
multiply the monomials
x² + 12x + 6²
5. (5x + 4) (5x - 4)
apply multiplicative distribution low
(5x)² - 4²
multiply the monomials
5² × x² - 4²
6. (2x-8)(x+2)
apply multiplicative distribution low
3x(x+2)-8(x+2)
multiply the monomials
3x × x + 3 × x² - 8x - 8 × 2
sana makatulong