exam Maths Puzzle Numerical Ability

x+5(x-1)=19 how do i figure this one out

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exam Other Question

Use the ac test to determine which the following trinomials can be factored. Find the values of m and n for each trinomial that can be factored

x² -3x + 7
The following is a word problem:

Height of a post. Betty observed that the lamp post in front of her house casts a shadow of length 8 feet when the angle of inclination of the