Need help. collect like terms, 7x²+9x⁴-3x²-x⁴-4x²= _______

asked Jul 7, 2015 158k views

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7x^2,(-3x^2),(-4x^2) are like terms
9x^4,(-x^4) are like terms

Delilah answered Jul 9, 2015

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1 vote

7x²+9x⁴-3x²-x⁴-4x²
(7x²-3x²-4x²) + (9x⁴-x⁴)
(4x²-4x²) + (8x⁴)
(0) + (8x⁴)
8x⁴

Zsmaster answered Jul 13, 2015

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