Multiply (2x^2-3x+5)(x^2+4x+1)

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

What are the solutions to the equation 4x2+3x=24-x

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?