Answer: x=-4, x=5/2
Step-by-step explanation:
To factor the expression, you want to break up the expression into 2 parts.
2x²+3x-20
(2x²-5x)+(8x-20) [factor each part]
x(2x-5)+4(2x-5) [take out x+4]
(x+4)(2x-5) [set each factor equal to 0]
x=-4
x=5/2
Now, we know that x=-4 and x=5/2.
