You can put this solution on YOUR website! Divide using synthetic division x^4-5x^2-36/x+3
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..-3..|....1......0......-5......0......-36
....................-3......9.....-12......36
.............1.....-3......4.....-12.......0
dividend: x^4-5x^2-36
divisor: x+3
quotient: x^3-3x^2+4x-12