add the following expressions: 5x⁴-3x³-7x+4 , -3x⁴-5x²+2x , 4x³+4x-3 and 4x⁴-3x³+6x²
this question's answer is = 6x⁴-2x³+x²-x+1
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Answer:
Step-by-step explanation:
add the following polynomials
5 (5x⁶+2x³-6x²-2) and 6 (-3x⁶ +2x⁵+2x+1)
Solution :
= 25x⁶ + 10x³ - 30x² - 10 -18x⁶ + 12x⁵ + 12x + 6
= 25x⁶ -18x⁶ + 12x⁵ + 10x³ - 30x² + 12x -10 + 6
= 7x⁶ + 12x⁵ + 10x³ - 30x² + 12x - 4
= 6x⁴-2x³+x²-x+1
hope it helps
:)
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