Express 8x−4+5x2+2x−24 as a single fraction.
8x−4+5x2+2x−24
Factor the denominator of the second fraction.
What two numbers add to 2 and multiply to -24 ?→ +6 and -4 .
= 8x−4+5(x+6)(x−4)
Multiply the first fraction by x+6x+6 .
= (x+6x+6)(8x−4)+5(x+6)(x−4)
= 8x+48(x+6)(x−4)+5(x+6)(x−4)
Now there's a common denominator so we can add the fractions.
= 8x+48+5(x+6)(x−4)
= 8x+53(x+6)(x−4)
Express 8x−4+5x2+2x−24 as a single fraction.
8x−4+5x2+2x−24
Factor the denominator of the second fraction.
What two numbers add to 2 and multiply to -24 ?→ +6 and -4 .
= 8x−4+5(x+6)(x−4)
Multiply the first fraction by x+6x+6 .
= (x+6x+6)(8x−4)+5(x+6)(x−4)
= 8x+48(x+6)(x−4)+5(x+6)(x−4)
Now there's a common denominator so we can add the fractions.
= 8x+48+5(x+6)(x−4)
= 8x+53(x+6)(x−4)