(x + 1) x (x - 4). When you check it you will get your original expression.
Step-by-step explanation:
x^2+(x+9)^2=90
x^2+(x+9)^2-90=0
x^2+x^2+9^2+2*x*9-90=0
x^2+x^2+81+18x-90=0
2x^2+18x-9=0
Answer:
Step 2 is where this person went wrong
Step-by-step explanation:
Should be
11 + (9)(3)= x
11 + 27= x
x = 38
I you think about it 12a with the 2 on the rope is actually 144 because it’s multiplied by 12 so maybe that helps?
