x² +7ox + 120
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Answered by
1
Answer:
x= -40, -30
Step-by-step explanation:
120 factors - 60*2, 40*30 which adds up to 70.
x^2 + 40x +30x + 120
by simplifying, (x+30)*(x+40)
Answered by
1
Answer:
this question has difect because:
x²+7x+120
x²+(15-8) x+120
=x²+15x -8 x +120
= x²-8x+15x+120
=x(x-8) -15(x
if x²+70x +120 is there 120 should be 1200 then 40 × 30 = 1200
40+30= 70
Step-by-step explanation:
120=1x 120
= 2x 60
=3x40
=4x30
=5x24
=6x 20
=8× 15 here 15- 8= 7
..
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