Easy
solve for x x+5=12
x=7
solve for y 4y−5=2y+7
y=6
15x25b+5b
380b2
15b(5xC)25c
75bc+25c
solve for z z5−5z3+4z=0
z=0z = 0, z=1z = 1, z=−1
solve for y 3y−9=0
y=3
solve for x 5x−2=4x+7
x=9
solve for x 3x+2=4x−5
x=7
solve for x x3−4x2+x−4=0
x=4x = 4 or x=−1
solve for y y3−6y2+11y−6=0
y=1y = 1, y=2y = 2, y=3
solve for z 2z=14
z=7
(2x+3)(x−4)
2x2−5x−12
solve for y y2+10y+25=0
y=−5
solve for x x2−8x−9=0
x=9x = 9 or x=−1
solve for z z4−25=0
z=5z = 5 or z=−5
solve for x x−4=−2
x=2
solve for x 6x−3=5x+7
x=10
solve for x x2−6x−7=0
x=7x = 7 or x=−1
solve for z z2−4z=0
z=0z = 0 or z=4
solve for y y3+4y2−y−4=0
y=1y = 1 or y=−4
6y−2y
4y
solve for z z2−6z+9=0
z=3
solve for y 4y−8=0
y=2
solve for z 5z2+10z+5=0
z=−1
2b2+5c-25a x 5b2 x 5c2+5a
10b5+25c3-20a