-20h
unless i'm missing something.
Answer:
d
Step-by-step explanation:
Just put it equal to 180.
2x+5+4x-11+90=180
6x+84=180
Answer:
see explanation
Step-by-step explanation:
(a)
(x + 2)(x + 12) ← expand using FOIL gives
x² + 14x + 24 ≠ x² + 10x + 24
(b)
consider the factors of the constant term (+ 24) which sum to give the coefficient of the x- term (+ 10)
the factors are + 6 and + 4 , since
6 × 4 = 24 and 6 + 4 = 10 , then
x² + 10x + 24 = (x + 6)(x + 4)
<span>(x + 6)(4x + 1) </span>
<span>x times 4x = 4x^2 </span>
<span>x times 1 = x </span>
<span>6 times 4x = 24x </span>
<span>6 times 1 = 6 </span>
<span>Now add like terms and you get 4x^2 + 25x + 6 </span>
