Answer:
A
Step-by-step explanation:
21x⁴-14x³-28x²/7x²
one by one natin para madali
21x⁴÷7x² = 3x² (divide the number then yung sa exponents just subtract it)
-14x³÷7x² = -2x (divide ulit yung number then yung exponents subtract mo lang din pero yung sign wag kakalimutan)
-28x²÷7x² = -4 (yung mga naunang explanation ko yun din to)
remember sa sign
if add just copy the sign
if subtract kung ano yung malaking variable
if multiply (+)(+) = +, (-)(-) = +, and (+)(-) = -
katulad lang din ng multiplication ang division
hope this helps!
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Answers & Comments
Answer:
A
Step-by-step explanation:
21x⁴-14x³-28x²/7x²
one by one natin para madali
21x⁴÷7x² = 3x² (divide the number then yung sa exponents just subtract it)
-14x³÷7x² = -2x (divide ulit yung number then yung exponents subtract mo lang din pero yung sign wag kakalimutan)
-28x²÷7x² = -4 (yung mga naunang explanation ko yun din to)
remember sa sign
if add just copy the sign
if subtract kung ano yung malaking variable
if multiply (+)(+) = +, (-)(-) = +, and (+)(-) = -
katulad lang din ng multiplication ang division
hope this helps!