(x square minus 3x) ( x square minus 4 x minus 7) + 10
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square minus 3x) ( x square minus 4 x minus 7
Answer:
x⁴ -7x³ + 5x² + 21x + 10
Step-by-step explanation:
(x square minus 3x) ( x square minus 4 x minus 7) + 10 =
x²(x²) + x²(-4x) + x²(-7)
= x⁴- 4x³ -7x².
-3x(x²) -3x(-4x) -3x(-7).
= -3x³ + 12x² + 21x.
= x⁴- 4x³ -7x²-3x³ + 12x² + 21x.
= x⁴ -7x³ + 5x² + 21x + 10(Ans).
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