3 years ago

Subtract the polynomials.

Mathematics

2 answers:

Mama L [17]3 years ago

8 0

Answer:

Step-by-step explanation:

Given

(4x² - 3x - 4) - (3x² + 4x - 8) ← distribute by - 1

= 4x² - 3x - 4 - 3x² - 4x + 8 ← collect like terms

= x² - 7x + 4 → B

AleksAgata [21]3 years ago

8 0

Step-by-step explanation:

$(4 {x}^{2} - 3x - 4) - (3 {x}^{2} + 4x - 8) \\ \\ = 4 {x}^{2} - 3x - 4 - 3 {x}^{2} - 4x + 8 \\ \\ = 4 {x}^{2} - 3 {x}^{2} - 3x - 4x - 4 + 8 \\ \\ = {x}^{2} - 7x + 4$

Thus option B is the correct answer.

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