I need help. Please answer these
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Answered by
1
Answer:
(2x-5) (2x+3)
Step-by-step explanation:
4x^2- 4x-15
= 4x^2-(10-6)x-15
=4x^2-10x + 6x -15
= 2x (2x-5) + 3(2x- 5)
= (2x-5) (2x+3)
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Answered by
1
Answer:
The breadth is (x-2) m & the roots of the second one are (-3/2) &(5/2).
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