Expand and simplify 3(x+4) - 2(4x+1)
3(x+4) - 2(4x+1)= 3x + 12 - 8x + 2= 3x - 8x + 12 - 2= -5x + 10
PP
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All answers ▸Please expand the brackets in the following equation to get a quadratic equation. Then, please show using the quadratic formula that the solutions to the equation are x=3 and x=5. Here is the starting equation: (x-3)(x-5)=0
n is an integer such that 3n+2<14 and 6n > n2 +5. Find all the values of n.
Rearrange v = u + at to make t the subject of the formula
Expand and simplify the following: 3(z + 6) – 2(4z + 1)