the area of a rectangle garden is ( 15x²- 13x - 20 ) m², what are it's dimensions?
A. ( 3x -1 0 ) m by ( 5x + 2 ) m
B. ( 5x + 4 ) m by ( 3x - 5 ) m
C. ( 5x - 4) m by ( 3x + 5 ) m
D. ( 15x -2 ) m by ( x + 10 ) m
- Do also provide a solution tysm:)
A. ( 3x -1 0 ) m by ( 5x + 2 ) m
B. ( 5x + 4 ) m by ( 3x - 5 ) m
C. ( 5x - 4) m by ( 3x + 5 ) m
D. ( 15x -2 ) m by ( x + 10 ) m
- Do also provide a solution tysm:)
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Answer:
B
Step-by-step explanation:
(5 x + 4) * (3 x - 5)
= (5x * 3x) + (5x*(-5) + 4*3x) + 4*(-5)
= (5x * 3x) + (-25x + 12x) -20
= 15x^2 - 13x - 20