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Factor the trinomial $5x^2-7x-90$ of the form $ax^2+bx+c$, first, make the product of $5$ and $-90$
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$\left(5\right)\left(-90\right)=-450$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation 5x^2-7x+-90=0. Factor the trinomial 5x^2-7x-90 of the form ax^2+bx+c, first, make the product of 5 and -90. Now, find two numbers that multiplied give us -450 and add up to -7. Rewrite the original expression. Factor 5x^2-25x+18x-90 by the greatest common divisor 5.