Matematicas

Tema:
*“Fracciones algebraicas*”

Ejercicio 6.2
23.4x2+11x+64x2-x-3∙2x2-11x-63x2-17x-6=4x+3x+22x+1x-64x+3x-13x+1(x-6)=x+22x+1x-13x+1Ejercicio 6.325.12x2+12x+34x2-14x-8÷9x²-21x+612x²-52x+16=12x2+12x+34x2-14x-8∙12x²-52x+169x²-21x+6=3(4x2+4x+1)2(2x2-7x-4)∙4(3x2-13x+4)3(3x2-7x+2)=32x+1(2x+1)2∙2(3x-1)(x-4)22x+1x-433x-1(x-2)=2(2x+1)x-240.6x2+23x+216x2-17x-10∙4x2-x-143x2-2x-21÷8x2+26x+216x2-23x+15=6x2+23x+216x2-17x-10∙4x2-x-143x2-2x-21∙6x2-23x+158x2+26x+21=3x+72x+34x+7x-26x-5(x-3)x-26x-53x+7x-34x+7(2x+3)=16x2-23x+213x2+5x-12÷4x2-94x2+9x-9∙6x2+x-126x2-5x+21=6x2-23x+213x2+5x-12∙4x2+9x-94x2-9∙6x2+x-126x2-5x+21=3x-72x-34x-3x+32x+3(3x-4)3x-4x+32x-32x+32x+3(3x-7)=4x-32x+3 Ejercicio 6.56x+12x²+5x-3-3x+3=6x+12x-1(x+3)-3x+3=6x+1-3(2x-1)2x-1x+3=6x+1-6x+32x-1x+3=42x-1x+3 52.2x²-2x-8+x-3x²-x-12=2x-4(x+2)+x-3x+3x-4=2x+3+x-3(x+2)x-4x+2x+3=2x+6+x²+2x-3x-6x-4x+2x+3=x²+xx-4x+2x+3=x(x+1)x-4x+2x+33x+46x²+x-1+22x+1-33x-1=3x+42x+1(3x-1)=23x-1-3(2x+1)+3x+42x+1(3x-1)=6x-2-6x-3+3x+42x+1(3x-1)=3x-12x+1(3x-1)=12x+173.x+1x2+5x+6+x+17x2-x-12-6x2-2x-8=x+1x+3(x+2)+x+17x-4(x+3)-6x-4(x+2)=x+1x-4+x+17x+2-6(x+3)x+3x+2(x-4)=x²-4x+x-4+x²+2x+17x+34-6x-18x+3x+2(x-4)=2x²+10x+12x+3x+2(x-4)=2(x2+5x+6)x+3x+2(x-4)=2x+3x+2x+3x+2(x-4)=2x-44x-5x2+x-12+918-3x-x2+2x2+10x+24=9-1(18-3x-x2)=4x-5x2+x-12+9x²+3x-18+2x2+10x+24=4x-5x+4(x-3)+9x+6(x-3)+2x+6(x+4)=4x-5x+6-9x+4+2(x-3)x+4x-3(x+6)=4x²+24x-5x-30-9x-36-2x-6x+4x-3(x+6)=4x²+12x-72x+4x-3(x+6)=4(x2+3x+18)x+4x-3(x+6)=2x+6x-3x+4x-3(x+6)=4x+4